541 lines
29 KiB
Rust
541 lines
29 KiB
Rust
use crate::{
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source_tree::{SourceTree, SourceTreeEntry},
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utils::{deserialize_address_opt, deserialize_stringified_source_code},
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Client, EtherscanError, Response, Result,
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};
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use ethers_core::{
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abi::{Abi, Address, RawAbi},
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types::{serde_helpers::deserialize_stringified_u64, Bytes},
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};
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use semver::Version;
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use serde::{Deserialize, Serialize};
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use std::{collections::HashMap, path::Path};
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#[cfg(feature = "ethers-solc")]
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use ethers_solc::{artifacts::Settings, EvmVersion, Project, ProjectBuilder, SolcConfig};
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#[derive(Clone, Debug, Default, Serialize, Deserialize)]
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pub enum SourceCodeLanguage {
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#[default]
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Solidity,
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Vyper,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct SourceCodeEntry {
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pub content: String,
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}
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impl<T: Into<String>> From<T> for SourceCodeEntry {
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fn from(s: T) -> Self {
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Self { content: s.into() }
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}
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}
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/// The contract metadata's SourceCode field.
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#[derive(Clone, Debug, Serialize, Deserialize)]
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#[serde(untagged)]
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pub enum SourceCodeMetadata {
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/// Contains metadata and path mapped source code.
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Metadata {
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/// Programming language of the sources.
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#[serde(default, skip_serializing_if = "Option::is_none")]
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language: Option<SourceCodeLanguage>,
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/// Source path => source code
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#[serde(default)]
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sources: HashMap<String, SourceCodeEntry>,
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/// Compiler settings, None if the language is not Solidity.
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#[serde(default, skip_serializing_if = "Option::is_none")]
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settings: Option<serde_json::Value>,
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},
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/// Contains only the source code.
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SourceCode(String),
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}
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impl SourceCodeMetadata {
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pub fn source_code(&self) -> String {
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match self {
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Self::Metadata { sources, .. } => {
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sources.values().map(|s| s.content.clone()).collect::<Vec<_>>().join("\n")
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}
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Self::SourceCode(s) => s.clone(),
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}
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}
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pub fn language(&self) -> Option<SourceCodeLanguage> {
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match self {
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Self::Metadata { language, .. } => language.clone(),
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Self::SourceCode(_) => None,
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}
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}
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pub fn sources(&self) -> HashMap<String, SourceCodeEntry> {
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match self {
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Self::Metadata { sources, .. } => sources.clone(),
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Self::SourceCode(s) => HashMap::from([("Contract".into(), s.into())]),
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}
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}
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#[cfg(feature = "ethers-solc")]
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pub fn settings(&self) -> Result<Option<Settings>> {
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match self {
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Self::Metadata { settings, .. } => match settings {
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Some(value) => {
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if value.is_null() {
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Ok(None)
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} else {
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Ok(Some(serde_json::from_value(value.to_owned())?))
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}
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}
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None => Ok(None),
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},
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Self::SourceCode(_) => Ok(None),
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}
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}
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#[cfg(not(feature = "ethers-solc"))]
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pub fn settings(&self) -> Option<&serde_json::Value> {
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match self {
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Self::Metadata { settings, .. } => settings.as_ref(),
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Self::SourceCode(_) => None,
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}
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}
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}
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/// Etherscan contract metadata.
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#[derive(Clone, Debug, Serialize, Deserialize)]
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#[serde(rename_all = "PascalCase")]
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pub struct Metadata {
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/// Includes metadata for compiler settings and language.
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#[serde(deserialize_with = "deserialize_stringified_source_code")]
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pub source_code: SourceCodeMetadata,
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/// The ABI of the contract.
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#[serde(rename = "ABI")]
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pub abi: String,
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/// The name of the contract.
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pub contract_name: String,
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/// The version that this contract was compiled with. If it is a Vyper contract, it will start
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/// with "vyper:".
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pub compiler_version: String,
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/// Whether the optimizer was used. This value should only be 0 or 1.
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#[serde(deserialize_with = "deserialize_stringified_u64")]
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pub optimization_used: u64,
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/// The number of optimizations performed.
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#[serde(deserialize_with = "deserialize_stringified_u64")]
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pub runs: u64,
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/// The constructor arguments the contract was deployed with.
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pub constructor_arguments: Bytes,
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/// The version of the EVM the contract was deployed in. Can be either a variant of
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/// [EvmVersion] or "Default" which indicates the compiler's default.
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#[serde(rename = "EVMVersion")]
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pub evm_version: String,
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// ?
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pub library: String,
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/// The license of the contract.
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pub license_type: String,
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/// Whether this contract is a proxy. This value should only be 0 or 1.
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#[serde(deserialize_with = "deserialize_stringified_u64")]
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pub proxy: u64,
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/// If this contract is a proxy, the address of its implementation.
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#[serde(deserialize_with = "deserialize_address_opt")]
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pub implementation: Option<Address>,
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/// The swarm source of the contract.
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pub swarm_source: String,
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}
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impl Metadata {
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/// Returns the contract's source code.
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pub fn source_code(&self) -> String {
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self.source_code.source_code()
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}
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/// Returns the contract's programming language.
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pub fn language(&self) -> SourceCodeLanguage {
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self.source_code.language().unwrap_or_else(|| {
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if self.is_vyper() {
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SourceCodeLanguage::Vyper
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} else {
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SourceCodeLanguage::Solidity
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}
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})
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}
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/// Returns the contract's path mapped source code.
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pub fn sources(&self) -> HashMap<String, SourceCodeEntry> {
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self.source_code.sources()
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}
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/// Parses the Abi String as an [RawAbi] struct.
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pub fn raw_abi(&self) -> Result<RawAbi> {
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Ok(serde_json::from_str(&self.abi)?)
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}
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/// Parses the Abi String as an [Abi] struct.
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pub fn abi(&self) -> Result<Abi> {
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Ok(serde_json::from_str(&self.abi)?)
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}
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/// Parses the compiler version.
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pub fn compiler_version(&self) -> Result<Version> {
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let v = &self.compiler_version;
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let v = v.strip_prefix("vyper:").unwrap_or(v);
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let v = v.strip_prefix('v').unwrap_or(v);
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match v.parse() {
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Err(e) => {
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let v = v.replace('a', "-alpha.");
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let v = v.replace('b', "-beta.");
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v.parse().map_err(|_| EtherscanError::Unknown(format!("bad compiler version: {e}")))
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}
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Ok(v) => Ok(v),
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}
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}
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/// Returns whether this contract is a Vyper or a Solidity contract.
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pub fn is_vyper(&self) -> bool {
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self.compiler_version.starts_with("vyper:")
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}
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/// Maps this contract's sources to a [SourceTreeEntry] vector.
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pub fn source_entries(&self) -> Vec<SourceTreeEntry> {
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let root = Path::new(&self.contract_name);
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self.sources()
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.into_iter()
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.map(|(path, entry)| {
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let path = root.join(path);
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SourceTreeEntry { path, contents: entry.content }
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})
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.collect()
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}
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/// Returns the source tree of this contract's sources.
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pub fn source_tree(&self) -> SourceTree {
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SourceTree { entries: self.source_entries() }
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}
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/// Returns the contract's compiler settings.
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#[cfg(feature = "ethers-solc")]
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pub fn settings(&self) -> Result<Settings> {
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let mut settings = self.source_code.settings()?.unwrap_or_default();
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if self.optimization_used == 1 && !settings.optimizer.enabled.unwrap_or_default() {
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settings.optimizer.enable();
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settings.optimizer.runs(self.runs as usize);
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}
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settings.evm_version = self.evm_version()?;
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Ok(settings)
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}
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/// Creates a Solc [ProjectBuilder] with this contract's settings.
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#[cfg(feature = "ethers-solc")]
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pub fn project_builder(&self) -> Result<ProjectBuilder> {
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let solc_config = SolcConfig::builder().settings(self.settings()?).build();
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Ok(Project::builder().solc_config(solc_config))
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}
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/// Parses the EVM version.
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#[cfg(feature = "ethers-solc")]
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pub fn evm_version(&self) -> Result<Option<EvmVersion>> {
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match self.evm_version.as_str() {
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"" | "Default" => {
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Ok(EvmVersion::default().normalize_version(&self.compiler_version()?))
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}
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_ => {
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let evm_version = self
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.evm_version
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.parse()
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.map_err(|e| EtherscanError::Unknown(format!("bad evm version: {e}")))?;
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Ok(Some(evm_version))
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}
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}
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}
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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#[serde(transparent)]
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pub struct ContractMetadata {
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pub items: Vec<Metadata>,
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}
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impl IntoIterator for ContractMetadata {
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type Item = Metadata;
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type IntoIter = std::vec::IntoIter<Metadata>;
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fn into_iter(self) -> Self::IntoIter {
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self.items.into_iter()
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}
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}
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impl ContractMetadata {
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/// Returns the ABI of all contracts.
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pub fn abis(&self) -> Result<Vec<Abi>> {
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self.items.iter().map(|c| c.abi()).collect()
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}
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/// Returns the raw ABI of all contracts.
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pub fn raw_abis(&self) -> Result<Vec<RawAbi>> {
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self.items.iter().map(|c| c.raw_abi()).collect()
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}
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/// Returns the combined source code of all contracts.
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pub fn source_code(&self) -> String {
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self.items.iter().map(|c| c.source_code()).collect::<Vec<_>>().join("\n")
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}
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/// Returns the combined [SourceTree] of all contracts.
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pub fn source_tree(&self) -> SourceTree {
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SourceTree { entries: self.items.iter().flat_map(|item| item.source_entries()).collect() }
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}
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}
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impl Client {
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/// Fetches a verified contract's ABI.
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///
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/// # Example
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///
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/// ```no_run
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/// # use ethers_etherscan::Client;
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/// # use ethers_core::types::Chain;
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///
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/// # #[tokio::main]
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/// # async fn main() {
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/// let client = Client::new(Chain::Mainnet, "API_KEY").unwrap();
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/// let abi = client
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/// .contract_abi("0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413".parse().unwrap())
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/// .await.unwrap();
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/// # }
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/// ```
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pub async fn contract_abi(&self, address: Address) -> Result<Abi> {
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// apply caching
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if let Some(ref cache) = self.cache {
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// If this is None, then we have a cache miss
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if let Some(src) = cache.get_abi(address) {
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// If this is None, then the contract is not verified
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return match src {
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Some(src) => Ok(src),
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None => Err(EtherscanError::ContractCodeNotVerified(address)),
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}
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}
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}
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let query = self.create_query("contract", "getabi", HashMap::from([("address", address)]));
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let resp: Response<String> = self.get_json(&query).await?;
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if resp.result.starts_with("Max rate limit reached") {
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return Err(EtherscanError::RateLimitExceeded)
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}
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if resp.result.starts_with("Contract source code not verified") {
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if let Some(ref cache) = self.cache {
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cache.set_abi(address, None);
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}
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return Err(EtherscanError::ContractCodeNotVerified(address))
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}
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let abi = serde_json::from_str(&resp.result)?;
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if let Some(ref cache) = self.cache {
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cache.set_abi(address, Some(&abi));
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}
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Ok(abi)
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}
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/// Fetches a contract's verified source code and its metadata.
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///
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/// # Example
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///
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/// ```no_run
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/// # use ethers_etherscan::Client;
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/// # use ethers_core::types::Chain;
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///
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/// # #[tokio::main]
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/// # async fn main() {
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/// let client = Client::new(Chain::Mainnet, "API_KEY").unwrap();
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/// let meta = client
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/// .contract_source_code("0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413".parse().unwrap())
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/// .await.unwrap();
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/// let code = meta.source_code();
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/// # }
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/// ```
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pub async fn contract_source_code(&self, address: Address) -> Result<ContractMetadata> {
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// apply caching
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if let Some(ref cache) = self.cache {
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// If this is None, then we have a cache miss
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if let Some(src) = cache.get_source(address) {
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// If this is None, then the contract is not verified
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return match src {
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Some(src) => Ok(src),
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None => Err(EtherscanError::ContractCodeNotVerified(address)),
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}
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}
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}
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let query =
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self.create_query("contract", "getsourcecode", HashMap::from([("address", address)]));
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let response = self.get(&query).await?;
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// Source code is not verified
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if response.contains("Contract source code not verified") {
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if let Some(ref cache) = self.cache {
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cache.set_source(address, None);
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}
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return Err(EtherscanError::ContractCodeNotVerified(address))
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}
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let response: Response<ContractMetadata> = self.sanitize_response(response)?;
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let result = response.result;
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if let Some(ref cache) = self.cache {
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cache.set_source(address, Some(&result));
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}
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Ok(result)
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}
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}
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#[cfg(test)]
|
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mod tests {
|
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use super::*;
|
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use crate::tests::run_at_least_duration;
|
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use ethers_core::types::Chain;
|
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use serial_test::serial;
|
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use std::time::Duration;
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/// Abi of [0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413](https://api.etherscan.io/api?module=contract&action=getsourcecode&address=0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413).
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const DAO_ABI: &str = "[{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"proposals\",\"outputs\":[{\"name\":\"recipient\",\"type\":\"address\"},{\"name\":\"amount\",\"type\":\"uint256\"},{\"name\":\"description\",\"type\":\"string\"},{\"name\":\"votingDeadline\",\"type\":\"uint256\"},{\"name\":\"open\",\"type\":\"bool\"},{\"name\":\"proposalPassed\",\"type\":\"bool\"},{\"name\":\"proposalHash\",\"type\":\"bytes32\"},{\"name\":\"proposalDeposit\",\"type\":\"uint256\"},{\"name\":\"newCurator\",\"type\":\"bool\"},{\"name\":\"yea\",\"type\":\"uint256\"},{\"name\":\"nay\",\"type\":\"uint256\"},{\"name\":\"creator\",\"type\":\"address\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_spender\",\"type\":\"address\"},{\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"name\":\"success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"minTokensToCreate\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"rewardAccount\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"daoCreator\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"divisor\",\"outputs\":[{\"name\":\"divisor\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"extraBalance\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_proposalID\",\"type\":\"uint256\"},{\"name\":\"_transactionData\",\"type\":\"bytes\"}],\"name\":\"executeProposal\",\"outputs\":[{\"name\":\"_success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_from\",\"type\":\"address\"},{\"name\":\"_to\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[{\"name\":\"success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"unblockMe\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"totalRewardToken\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"actualBalance\",\"outputs\":[{\"name\":\"_actualBalance\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"closingTime\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"}],\"name\":\"allowedRecipients\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_to\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"}],\"name\":\"transferWithoutReward\",\"outputs\":[{\"name\":\"success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"refund\",\"outputs\":[],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_recipient\",\"type\":\"address\"},{\"name\":\"_amount\",\"type\":\"uint256\"},{\"name\":\"_description\",\"type\":\"string\"},{\"name\":\"_transactionData\",\"type\":\"bytes\"},{\"name\":\"_debatingPeriod\",\"type\":\"uint256\"},{\"name\":\"_newCurator\",\"type\":\"bool\"}],\"name\":\"newProposal\",\"outputs\":[{\"name\":\"_proposalID\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"}],\"name\":\"DAOpaidOut\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"minQuorumDivisor\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_newContract\",\"type\":\"address\"}],\"name\":\"newContract\",\"outputs\":[],\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_owner\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"name\":\"balance\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_recipient\",\"type\":\"address\"},{\"name\":\"_allowed\",\"type\":\"bool\"}],\"name\":\"changeAllowedRecipients\",\"outputs\":[{\"name\":\"_success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"halveMinQuorum\",\"outputs\":[{\"name\":\"_success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"}],\"name\":\"paidOut\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_proposalID\",\"type\":\"uint256\"},{\"name\":\"_newCurator\",\"type\":\"address\"}],\"name\":\"splitDAO\",\"outputs\":[{\"name\":\"_success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"DAOrewardAccount\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"proposalDeposit\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"numberOfProposals\",\"outputs\":[{\"name\":\"_numberOfProposals\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"lastTimeMinQuorumMet\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_toMembers\",\"type\":\"bool\"}],\"name\":\"retrieveDAOReward\",\"outputs\":[{\"name\":\"_success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"receiveEther\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_to\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"name\":\"success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"isFueled\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_tokenHolder\",\"type\":\"address\"}],\"name\":\"createTokenProxy\",\"outputs\":[{\"name\":\"success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_proposalID\",\"type\":\"uint256\"}],\"name\":\"getNewDAOAddress\",\"outputs\":[{\"name\":\"_newDAO\",\"type\":\"address\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_proposalID\",\"type\":\"uint256\"},{\"name\":\"_supportsProposal\",\"type\":\"bool\"}],\"name\":\"vote\",\"outputs\":[{\"name\":\"_voteID\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"getMyReward\",\"outputs\":[{\"name\":\"_success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"}],\"name\":\"rewardToken\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_from\",\"type\":\"address\"},{\"name\":\"_to\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"}],\"name\":\"transferFromWithoutReward\",\"outputs\":[{\"name\":\"success\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_owner\",\"type\":\"address\"},{\"name\":\"_spender\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"name\":\"remaining\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_proposalDeposit\",\"type\":\"uint256\"}],\"name\":\"changeProposalDeposit\",\"outputs\":[],\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"}],\"name\":\"blocked\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"curator\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_proposalID\",\"type\":\"uint256\"},{\"name\":\"_recipient\",\"type\":\"address\"},{\"name\":\"_amount\",\"type\":\"uint256\"},{\"name\":\"_transactionData\",\"type\":\"bytes\"}],\"name\":\"checkProposalCode\",\"outputs\":[{\"name\":\"_codeChecksOut\",\"type\":\"bool\"}],\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"privateCreation\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"type\":\"function\"},{\"inputs\":[{\"name\":\"_curator\",\"type\":\"address\"},{\"name\":\"_daoCreator\",\"type\":\"address\"},{\"name\":\"_proposalDeposit\",\"type\":\"uint256\"},{\"name\":\"_minTokensToCreate\",\"type\":\"uint256\"},{\"name\":\"_closingTime\",\"type\":\"uint256\"},{\"name\":\"_privateCreation\",\"type\":\"address\"}],\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"_from\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"_owner\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"_spender\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"FuelingToDate\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"CreatedToken\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Refund\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"proposalID\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"recipient\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"newCurator\",\"type\":\"bool\"},{\"indexed\":false,\"name\":\"description\",\"type\":\"string\"}],\"name\":\"ProposalAdded\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"proposalID\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"position\",\"type\":\"bool\"},{\"indexed\":true,\"name\":\"voter\",\"type\":\"address\"}],\"name\":\"Voted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"proposalID\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"result\",\"type\":\"bool\"},{\"indexed\":false,\"name\":\"quorum\",\"type\":\"uint256\"}],\"name\":\"ProposalTallied\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"_newCurator\",\"type\":\"address\"}],\"name\":\"NewCurator\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"_recipient\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"_allowed\",\"type\":\"bool\"}],\"name\":\"AllowedRecipientChanged\",\"type\":\"event\"}]";
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#[allow(unused)]
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fn init_tracing() {
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tracing_subscriber::fmt()
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.with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
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.init();
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}
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#[tokio::test]
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#[serial]
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#[ignore]
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async fn can_fetch_ftm_contract_abi() {
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init_tracing();
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run_at_least_duration(Duration::from_millis(250), async {
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let client = Client::new_from_env(Chain::Fantom).unwrap();
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let _abi = client
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.contract_abi("0x80AA7cb0006d5DDD91cce684229Ac6e398864606".parse().unwrap())
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.await
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.unwrap();
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})
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.await;
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}
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#[tokio::test]
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#[serial]
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#[ignore]
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async fn can_fetch_contract_abi() {
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init_tracing();
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run_at_least_duration(Duration::from_millis(250), async {
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let client = Client::new_from_env(Chain::Mainnet).unwrap();
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let abi = client
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.contract_abi("0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413".parse().unwrap())
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.await
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.unwrap();
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assert_eq!(abi, serde_json::from_str(DAO_ABI).unwrap());
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})
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.await;
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}
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#[tokio::test]
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#[serial]
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#[ignore]
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async fn can_fetch_contract_source_code() {
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init_tracing();
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run_at_least_duration(Duration::from_millis(250), async {
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let client = Client::new_from_env(Chain::Mainnet).unwrap();
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let meta = client
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.contract_source_code("0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413".parse().unwrap())
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.await
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.unwrap();
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assert_eq!(meta.items.len(), 1);
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let item = &meta.items[0];
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assert!(matches!(item.source_code, SourceCodeMetadata::SourceCode(_)));
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assert_eq!(item.source_code.sources().len(), 1);
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assert_eq!(item.abi().unwrap(), serde_json::from_str(DAO_ABI).unwrap());
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})
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.await
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}
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#[tokio::test]
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#[serial]
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#[ignore]
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async fn can_get_error_on_unverified_contract() {
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init_tracing();
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run_at_least_duration(Duration::from_millis(250), async {
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let client = Client::new_from_env(Chain::Mainnet).unwrap();
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let addr = "0xb5c31a0e22cae98ac08233e512bd627885aa24e5".parse().unwrap();
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let err = client.contract_source_code(addr).await.unwrap_err();
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assert!(matches!(err, EtherscanError::ContractCodeNotVerified(_)));
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})
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.await
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}
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/// Query a contract that has a single string source entry instead of underlying JSON metadata.
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#[tokio::test]
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#[serial]
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#[ignore]
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async fn can_fetch_contract_source_tree_for_singleton_contract() {
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init_tracing();
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run_at_least_duration(Duration::from_millis(250), async {
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let client = Client::new_from_env(Chain::Mainnet).unwrap();
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let meta = client
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.contract_source_code("0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413".parse().unwrap())
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.await
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.unwrap();
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|
|
assert_eq!(meta.items.len(), 1);
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let item = &meta.items[0];
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|
assert!(matches!(item.source_code, SourceCodeMetadata::SourceCode(_)));
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assert_eq!(item.source_code.sources().len(), 1);
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assert_eq!(item.abi().unwrap(), serde_json::from_str(DAO_ABI).unwrap());
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})
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|
.await
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}
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/// Query a contract that has many source entries as JSON metadata and ensure they are
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/// reflected.
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#[tokio::test]
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#[serial]
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#[ignore]
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async fn can_fetch_contract_source_tree_for_multi_entry_contract() {
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init_tracing();
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run_at_least_duration(Duration::from_millis(250), async {
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|
let client = Client::new_from_env(Chain::Mainnet).unwrap();
|
|
|
|
let meta = client
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|
.contract_source_code("0x8d04a8c79cEB0889Bdd12acdF3Fa9D207eD3Ff63".parse().unwrap())
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|
.await
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|
.unwrap();
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|
|
|
assert_eq!(meta.items.len(), 1);
|
|
assert!(matches!(meta.items[0].source_code, SourceCodeMetadata::Metadata { .. }));
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|
let source_tree = meta.source_tree();
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|
assert_eq!(source_tree.entries.len(), 15);
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|
})
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|
.await
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|
}
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}
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