328 lines
10 KiB
Rust
328 lines
10 KiB
Rust
use std::collections::HashMap;
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use serde::{Deserialize, Serialize};
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use ethers_core::abi::{Abi, Address};
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use crate::{Client, Response, Result};
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/// Arguments for verifying contracts
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#[derive(Debug, Clone, Serialize)]
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pub struct VerifyContract {
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pub address: Address,
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pub source: String,
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#[serde(rename = "codeformat")]
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pub code_format: CodeFormat,
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/// if codeformat=solidity-standard-json-input, then expected as
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/// `erc20.sol:erc20`
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#[serde(rename = "contractname", skip_serializing_if = "Option::is_none")]
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pub contract_name: Option<String>,
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#[serde(rename = "compilerversion")]
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pub compiler_version: String,
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/// applicable when codeformat=solidity-single-file
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#[serde(rename = "optimizationUsed", skip_serializing_if = "Option::is_none")]
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optimization_used: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub runs: Option<String>,
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/// NOTE: there is a typo in the etherscan API `constructorArguements`
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#[serde(rename = "constructorArguements", skip_serializing_if = "Option::is_none")]
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pub constructor_arguments: Option<String>,
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#[serde(rename = "evmversion")]
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pub evm_version: Option<String>,
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#[serde(flatten)]
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pub other: HashMap<String, String>,
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}
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impl VerifyContract {
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pub fn new(address: Address, source: String, compiler_version: String) -> Self {
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Self {
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address,
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source,
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code_format: Default::default(),
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contract_name: None,
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compiler_version,
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optimization_used: None,
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runs: None,
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constructor_arguments: None,
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evm_version: None,
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other: Default::default(),
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}
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}
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#[must_use]
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pub fn contract_name(mut self, name: impl Into<String>) -> Self {
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self.contract_name = Some(name.into());
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self
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}
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#[must_use]
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pub fn runs(mut self, runs: u32) -> Self {
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self.runs = Some(format!("{}", runs));
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self
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}
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#[must_use]
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pub fn optimization(self, optimization: bool) -> Self {
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if optimization {
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self.optimized()
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} else {
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self.not_optimized()
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}
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}
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#[must_use]
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pub fn optimized(mut self) -> Self {
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self.optimization_used = Some("1".to_string());
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self
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}
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#[must_use]
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pub fn not_optimized(mut self) -> Self {
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self.optimization_used = Some("0".to_string());
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self
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}
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#[must_use]
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pub fn code_format(mut self, code_format: CodeFormat) -> Self {
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self.code_format = code_format;
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self
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}
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#[must_use]
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pub fn evm_version(mut self, evm_version: impl Into<String>) -> Self {
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self.evm_version = Some(evm_version.into());
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self
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}
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#[must_use]
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pub fn constructor_arguments(
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mut self,
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constructor_arguments: Option<impl Into<String>>,
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) -> Self {
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self.constructor_arguments = constructor_arguments.map(|s| {
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s.into()
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// TODO is this correct?
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.trim_start_matches("0x")
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.to_string()
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});
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self
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}
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize)]
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pub enum CodeFormat {
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#[serde(rename = "solidity-single-file")]
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SingleFile,
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#[serde(rename = "solidity-standard-json-input")]
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StandardJsonInput,
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}
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impl AsRef<str> for CodeFormat {
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fn as_ref(&self) -> &str {
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match self {
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CodeFormat::SingleFile => "solidity-single-file",
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CodeFormat::StandardJsonInput => "solidity-standard-json-input",
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}
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}
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}
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impl Default for CodeFormat {
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fn default() -> Self {
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CodeFormat::SingleFile
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}
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}
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#[derive(Debug, Serialize, Deserialize)]
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pub struct ContractMetadata {
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#[serde(flatten)]
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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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/// All ABI from all contracts in the source file
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pub fn abis(&self) -> Result<Vec<Abi>> {
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let mut abis = Vec::with_capacity(self.items.len());
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for item in &self.items {
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abis.push(serde_json::from_str(&item.abi)?);
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}
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Ok(abis)
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}
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/// 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.as_str()).collect::<Vec<_>>().join("\n")
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}
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}
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/// Etherscan contract metadata
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#[derive(Debug, Serialize, Deserialize)]
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pub struct Metadata {
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#[serde(rename = "SourceCode")]
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pub source_code: String,
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#[serde(rename = "ABI")]
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pub abi: String,
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#[serde(rename = "ContractName")]
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pub contract_name: String,
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#[serde(rename = "CompilerVersion")]
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pub compiler_version: String,
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#[serde(rename = "OptimizationUsed")]
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pub optimization_used: String,
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#[serde(rename = "Runs")]
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pub runs: String,
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#[serde(rename = "ConstructorArguments")]
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pub constructor_arguments: String,
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#[serde(rename = "EVMVersion")]
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pub evm_version: String,
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#[serde(rename = "Library")]
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pub library: String,
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#[serde(rename = "LicenseType")]
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pub license_type: String,
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#[serde(rename = "Proxy")]
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pub proxy: String,
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#[serde(rename = "Implementation")]
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pub implementation: String,
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#[serde(rename = "SwarmSource")]
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pub swarm_source: String,
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}
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impl Client {
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/// Submit Source Code for Verification
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pub async fn submit_contract_verification(
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&self,
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contract: &VerifyContract,
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) -> Result<Response<String>> {
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let body = self.create_query("contract", "verifysourcecode", contract);
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Ok(self.post_form(&body).await?)
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}
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/// Check Source Code Verification Status with receipt received from
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/// `[Self::submit_contract_verification]`
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pub async fn check_contract_verification_status(
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&self,
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guid: impl AsRef<str>,
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) -> Result<Response<String>> {
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let body = self.create_query(
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"contract",
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"checkverifystatus",
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HashMap::from([("guid", guid.as_ref())]),
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);
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Ok(self.post_form(&body).await?)
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}
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/// Returns the contract ABI of a verified contract
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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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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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Ok(serde_json::from_str(&resp.result)?)
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}
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/// Get Contract Source Code for Verified Contract Source Codes
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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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let query =
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self.create_query("contract", "getsourcecode", HashMap::from([("address", address)]));
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let response: Response<Vec<Metadata>> = self.get_json(&query).await?;
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Ok(ContractMetadata { items: response.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 std::time::Duration;
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use serial_test::serial;
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use ethers_core::types::Chain;
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use crate::{contract::VerifyContract, tests::run_at_least_duration, Client};
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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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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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})
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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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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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})
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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_verify_contract() {
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run_at_least_duration(Duration::from_millis(250), async {
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// TODO this needs further investigation
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// https://etherscan.io/address/0x9e744c9115b74834c0f33f4097f40c02a9ac5c33#code
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let contract = include_str!("../resources/UniswapExchange.sol");
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let address = "0x9e744c9115b74834c0f33f4097f40c02a9ac5c33".parse().unwrap();
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let compiler_version = "v0.5.17+commit.d19bba13";
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let constructor_args = "0x000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000005f5e1000000000000000000000000000000000000000000000000000000000000000007596179537761700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000035941590000000000000000000000000000000000000000000000000000000000";
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let client = Client::new_from_env(Chain::Mainnet).unwrap();
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let contract =
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VerifyContract::new(address, contract.to_string(), compiler_version.to_string())
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.constructor_arguments(Some(constructor_args))
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.optimization(true)
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.runs(200);
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let _resp = client.submit_contract_verification(&contract).await;
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}).await
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}
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}
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