/
util.go
265 lines (239 loc) · 5.32 KB
/
util.go
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package accountabstraction
import (
"math/big"
"strings"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/common"
"go.uber.org/zap"
)
func GetCallDataForMint(smartAccountAddress common.Address, fullTokensToMint *big.Int, tokenDecimals uint8) ([]byte, error) {
const erc20ABI = `
[
{
"constant": false,
"inputs": [
{
"name": "_to",
"type": "address"
},
{
"name": "_amount",
"type": "uint256"
}
],
"name": "mint",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
}
]
`
parsedABI, err := abi.JSON(strings.NewReader(erc20ABI))
if err != nil {
log.Fatal("failed to parse ABI", zap.Error(err))
return nil, err
}
// 6 decimals
weiPerToken := big.NewInt(1).Exp(big.NewInt(10), big.NewInt(int64(tokenDecimals)), nil)
fullTokensToMint = weiPerToken.Mul(fullTokensToMint, weiPerToken)
inputData, err := parsedABI.Pack("mint", smartAccountAddress, fullTokensToMint)
if err != nil {
return nil, err
}
return inputData, nil
}
func GetCallDataForAprove(userAddr common.Address, destAddress common.Address, fullTokensToAllow *big.Int, tokenDecimals uint8) ([]byte, error) {
const erc20ABI = `
[
{
"inputs": [
{
"internalType": "address",
"name": "from",
"type": "address"
},
{
"internalType": "address",
"name": "spender",
"type": "address"
},
{
"internalType": "uint256",
"name": "value",
"type": "uint256"
}
],
"name": "approveFor",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "nonpayable",
"type": "function"
}
]
`
parsedABI, err := abi.JSON(strings.NewReader(erc20ABI))
if err != nil {
log.Fatal("failed to parse ABI", zap.Error(err))
return nil, err
}
// 6 decimals
weiPerToken := big.NewInt(1).Exp(big.NewInt(10), big.NewInt(int64(tokenDecimals)), nil)
fullTokensToAllow = weiPerToken.Mul(fullTokensToAllow, weiPerToken)
// as long as Admin is the owner of the contract, we can approve for any address
inputData, err := parsedABI.Pack("approveFor", userAddr, destAddress, fullTokensToAllow)
if err != nil {
return nil, err
}
return inputData, nil
}
// in reality we call "execute" method
func GetCallDataForBatchExecute(targets []common.Address, originalCallDatas [][]byte) ([]byte, error) {
const executeABI = `
[
{
"inputs": [
{
"internalType": "address[]",
"name": "dest",
"type": "address[]"
},
{
"internalType": "bytes[]",
"name": "func",
"type": "bytes[]"
}
],
"name": "executeBatch",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
}
]
`
parsedABI, err := abi.JSON(strings.NewReader(executeABI))
if err != nil {
log.Fatal("failed to parse ABI", zap.Error(err))
return nil, err
}
// TODO: value (Ether) is ZERO here!
inputData, err := parsedABI.Pack("executeBatch", targets, originalCallDatas)
if err != nil {
return nil, err
}
return inputData, nil
}
func GetCallDataForCommit(commitment [32]byte) ([]byte, error) {
const commitABI = `
[
{
"inputs": [
{
"internalType": "bytes32",
"name": "commitment",
"type": "bytes32"
}
],
"name": "commit",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
}
]
`
parsedABI, err := abi.JSON(strings.NewReader(commitABI))
if err != nil {
log.Fatal("failed to parse ABI", zap.Error(err))
return nil, err
}
inputData, err := parsedABI.Pack("commit", commitment)
if err != nil {
return nil, err
}
return inputData, nil
}
func GetCallDataForRegister(
nameFirstPart string,
registrantAccount common.Address,
registrationTime big.Int,
secret [32]byte,
resolver common.Address,
callData [][]byte,
isReverseRecord bool,
ownerControlledFuses uint16) ([]byte, error) {
const regABI = `
[
{
"inputs": [
{
"internalType": "string",
"name": "name",
"type": "string"
},
{
"internalType": "address",
"name": "owner",
"type": "address"
},
{
"internalType": "uint256",
"name": "duration",
"type": "uint256"
},
{
"internalType": "bytes32",
"name": "secret",
"type": "bytes32"
},
{
"internalType": "address",
"name": "resolver",
"type": "address"
},
{
"internalType": "bytes[]",
"name": "data",
"type": "bytes[]"
},
{
"internalType": "bool",
"name": "reverseRecord",
"type": "bool"
},
{
"internalType": "uint16",
"name": "ownerControlledFuses",
"type": "uint16"
}
],
"name": "register",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
}
]
`
parsedABI, err := abi.JSON(strings.NewReader(regABI))
if err != nil {
log.Fatal("failed to parse ABI", zap.Error(err))
return nil, err
}
inputData, err := parsedABI.Pack("register",
nameFirstPart,
registrantAccount,
®istrationTime,
secret,
resolver,
callData,
isReverseRecord,
ownerControlledFuses)
if err != nil {
return nil, err
}
return inputData, nil
}