338 lines
9.8 KiB
Rust
338 lines
9.8 KiB
Rust
use ethers_contract::EthLogDecode;
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use ethers_contract::{abigen, EthAbiType, EthEvent};
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use ethers_core::abi::{RawLog, Tokenizable};
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use ethers_core::types::Address;
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use ethers_core::types::{H160, H256, I256, U128, U256};
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#[derive(Debug, Clone, PartialEq, EthAbiType)]
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struct ValueChanged {
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old_author: Address,
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new_author: Address,
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old_value: String,
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new_value: String,
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}
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#[derive(Debug, Clone, PartialEq, EthAbiType)]
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struct ValueChangedWrapper {
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inner: ValueChanged,
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msg: String,
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}
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#[derive(Debug, Clone, PartialEq, EthAbiType)]
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struct ValueChangedTuple(Address, Address, String, String);
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#[derive(Debug, Clone, PartialEq, EthAbiType)]
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struct ValueChangedTupleWrapper(ValueChangedTuple, String);
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#[derive(Debug, Clone, PartialEq, EthAbiType)]
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struct ValueChangedVecWrapper {
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inner: Vec<ValueChanged>,
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}
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#[test]
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fn can_detokenize_struct() {
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let value = ValueChanged {
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old_author: "eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee".parse().unwrap(),
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new_author: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa".parse().unwrap(),
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old_value: "50".to_string(),
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new_value: "100".to_string(),
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};
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let token = value.clone().into_token();
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assert_eq!(value, ValueChanged::from_token(token).unwrap());
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}
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#[test]
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fn can_detokenize_nested_structs() {
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let value = ValueChangedWrapper {
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inner: ValueChanged {
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old_author: "eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee".parse().unwrap(),
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new_author: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa".parse().unwrap(),
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old_value: "50".to_string(),
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new_value: "100".to_string(),
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},
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msg: "hello world".to_string(),
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};
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let token = value.clone().into_token();
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assert_eq!(value, ValueChangedWrapper::from_token(token).unwrap());
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}
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#[test]
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fn can_detokenize_tuple_struct() {
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let value = ValueChangedTuple(
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"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee".parse().unwrap(),
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa".parse().unwrap(),
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"50".to_string(),
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"100".to_string(),
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);
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let token = value.clone().into_token();
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assert_eq!(value, ValueChangedTuple::from_token(token).unwrap());
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}
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#[test]
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fn can_detokenize_nested_tuple_struct() {
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let value = ValueChangedTupleWrapper(
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ValueChangedTuple(
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"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee".parse().unwrap(),
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa".parse().unwrap(),
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"50".to_string(),
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"100".to_string(),
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),
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"hello world".to_string(),
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);
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let token = value.clone().into_token();
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assert_eq!(value, ValueChangedTupleWrapper::from_token(token).unwrap());
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}
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#[test]
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fn can_detokenize_single_field() {
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let value = ValueChangedVecWrapper { inner: vec![] };
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let token = value.clone().into_token();
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assert_eq!(value, ValueChangedVecWrapper::from_token(token).unwrap());
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let value = ValueChangedVecWrapper {
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inner: vec![ValueChanged {
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old_author: "eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee".parse().unwrap(),
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new_author: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa".parse().unwrap(),
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old_value: "50".to_string(),
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new_value: "100".to_string(),
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}],
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};
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let token = value.clone().into_token();
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assert_eq!(value, ValueChangedVecWrapper::from_token(token).unwrap());
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}
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#[test]
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fn can_derive_eth_event() {
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#[derive(Debug, Clone, PartialEq, EthEvent)]
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struct ValueChangedEvent {
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old_author: Address,
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new_author: Address,
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old_value: String,
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new_value: String,
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}
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let value = ValueChangedEvent {
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old_author: "eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee".parse().unwrap(),
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new_author: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa".parse().unwrap(),
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old_value: "50".to_string(),
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new_value: "100".to_string(),
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};
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assert_eq!("ValueChangedEvent", ValueChangedEvent::name());
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assert_eq!(
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"ValueChangedEvent(address,address,string,string)",
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ValueChangedEvent::abi_signature()
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);
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let token = value.clone().into_token();
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assert_eq!(value, ValueChangedEvent::from_token(token).unwrap());
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}
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#[test]
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fn can_set_eth_event_name_attribute() {
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#[derive(Debug, PartialEq, EthEvent)]
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#[ethevent(name = "MyEvent")]
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struct ValueChangedEvent {
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old_author: Address,
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new_author: Address,
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old_value: String,
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new_value: String,
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}
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assert_eq!("MyEvent", ValueChangedEvent::name());
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assert_eq!(
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"MyEvent(address,address,string,string)",
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ValueChangedEvent::abi_signature()
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);
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}
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#[test]
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fn can_detect_various_event_abi_types() {
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#[derive(Debug, PartialEq, EthEvent)]
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struct ValueChangedEvent {
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old_author: Address,
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s: String,
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h1: H256,
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i256: I256,
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u256: U256,
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b: bool,
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v: Vec<Address>,
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bs: Vec<bool>,
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h160: H160,
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u128: U128,
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int8: i8,
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int16: i16,
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int32: i32,
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int64: i64,
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int128: i128,
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uint8: u8,
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uint16: u16,
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uint32: u32,
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uint64: u64,
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uint128: u128,
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}
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assert_eq!(
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"ValueChangedEvent(address,string,bytes32,int256,uint256,bool,address[],bool[],bytes20,uint128,int8,int16,int32,int64,int128,uint8,uint16,uint32,uint64,uint128)",
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ValueChangedEvent::abi_signature()
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);
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}
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#[test]
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fn can_set_eth_abi_attribute() {
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#[derive(Debug, Clone, PartialEq, EthAbiType)]
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struct SomeType {
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inner: Address,
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msg: String,
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}
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#[derive(Debug, PartialEq, EthEvent)]
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#[ethevent(abi = "ValueChangedEvent(address,(address,string),string)")]
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struct ValueChangedEvent {
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old_author: Address,
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inner: SomeType,
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new_value: String,
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}
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assert_eq!(
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"ValueChangedEvent(address,(address,string),string)",
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ValueChangedEvent::abi_signature()
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);
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#[derive(Debug, PartialEq, EthEvent)]
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#[ethevent(
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name = "ValueChangedEvent",
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abi = "ValueChangedEvent(address,(address,string),string)"
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)]
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struct ValueChangedEvent2 {
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old_author: Address,
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inner: SomeType,
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new_value: String,
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}
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assert_eq!(
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"ValueChangedEvent(address,(address,string),string)",
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ValueChangedEvent2::abi_signature()
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);
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}
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#[test]
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fn can_derive_indexed_and_anonymous_attribute() {
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#[derive(Debug, PartialEq, EthEvent)]
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#[ethevent(anonymous)]
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struct ValueChangedEvent {
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old_author: Address,
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#[ethevent(indexed, name = "newAuthor")]
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new_author: Address,
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old_value: String,
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new_value: String,
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}
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assert_eq!(
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"ValueChangedEvent(address,address,string,string) anonymous",
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ValueChangedEvent::abi_signature()
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);
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}
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#[test]
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fn can_generate_ethevent_from_json() {
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abigen!(DsProxyFactory,
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"ethers-middleware/contracts/DsProxyFactory.json",
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methods {
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build(address) as build_with_owner;
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}
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);
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assert_eq!(
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"Created(address,address,address,address)",
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CreatedFilter::abi_signature()
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);
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assert_eq!(
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H256([
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37, 155, 48, 202, 57, 136, 92, 109, 128, 26, 11, 93, 188, 152, 134, 64, 243, 194, 94,
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47, 55, 83, 31, 225, 56, 197, 197, 175, 137, 85, 212, 27,
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]),
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CreatedFilter::signature()
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);
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}
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#[test]
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fn can_decode_event_with_no_topics() {
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#[derive(Debug, PartialEq, EthEvent)]
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pub struct LiquidateBorrow {
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liquidator: Address,
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borrower: Address,
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repay_amount: U256,
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c_token_collateral: Address,
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seize_tokens: U256,
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}
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// https://etherscan.io/tx/0xb7ba825294f757f8b8b6303b2aef542bcaebc9cc0217ddfaf822200a00594ed9#eventlog index 141
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let log = RawLog {
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topics: vec![
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"298637f684da70674f26509b10f07ec2fbc77a335ab1e7d6215a4b2484d8bb52"
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.parse()
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.unwrap(),
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],
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data: vec![
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 188, 205, 0, 29, 173, 151, 238, 5, 127, 91, 31,
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197, 154, 221, 40, 175, 143, 32, 26, 201, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 133, 129,
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195, 136, 163, 5, 24, 136, 69, 34, 251, 23, 122, 146, 252, 33, 147, 81, 8, 20, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 18, 195, 162, 210,
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38, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 77, 220, 45, 25, 57, 72, 146, 109, 2,
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249, 177, 254, 158, 29, 170, 7, 24, 39, 14, 213, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 80, 30, 88,
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],
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};
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let event = <LiquidateBorrow as EthLogDecode>::decode_log(&log).unwrap();
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assert_eq!(event.seize_tokens, 5250648u64.into());
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assert_eq!(event.repay_amount, 653800000000000000u64.into());
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}
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#[test]
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fn can_decode_event_single_param() {
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#[derive(Debug, PartialEq, EthEvent)]
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pub struct OneParam {
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#[ethevent(indexed)]
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param1: U256,
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}
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let log = RawLog {
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topics: vec![
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"bd9bb67345a2fcc8ef3b0857e7e2901f5a0dcfc7fe5e3c10dc984f02842fb7ba"
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.parse()
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.unwrap(),
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"000000000000000000000000000000000000000000000000000000000000007b"
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.parse()
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.unwrap(),
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],
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data: vec![],
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};
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let event = <OneParam as EthLogDecode>::decode_log(&log).unwrap();
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assert_eq!(event.param1, 123u64.into());
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}
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#[test]
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fn can_decode_event_with_no_params() {
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#[derive(Debug, PartialEq, EthEvent)]
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pub struct NoParam {}
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let log = RawLog {
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topics: vec![
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"59a6f900daaeb7581ff830f3a97097fa6372db29b0b50c6d1818ede9d1daaa0c"
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.parse()
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.unwrap(),
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],
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data: vec![],
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};
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let _ = <NoParam as EthLogDecode>::decode_log(&log).unwrap();
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}
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