forked from rocket-pool/rocketpool-go
/
proposal-payload.go
64 lines (52 loc) · 1.81 KB
/
proposal-payload.go
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package dao
import (
"encoding/hex"
"fmt"
"strings"
"sync"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/RedDuck-Software/poolsea-go/rocketpool"
strutils "github.com/RedDuck-Software/poolsea-go/utils/strings"
)
// Get the string representation of a proposal payload
var getProposalPayloadStringLock sync.Mutex
func GetProposalPayloadString(rp *rocketpool.RocketPool, daoName string, payload []byte, opts *bind.CallOpts) (string, error) {
// Lock while getting proposal payload string
getProposalPayloadStringLock.Lock()
defer getProposalPayloadStringLock.Unlock()
// Get proposal DAO contract ABI
daoContractAbi, err := rp.GetABI(daoName, opts)
if err != nil {
return "", fmt.Errorf("Could not get '%s' DAO contract ABI: %w", daoName, err)
}
// Get proposal payload method
method, err := daoContractAbi.MethodById(payload)
if err != nil {
return "", fmt.Errorf("Could not get proposal payload method: %w", err)
}
// Get proposal payload argument values
args, err := method.Inputs.UnpackValues(payload[4:])
if err != nil {
return "", fmt.Errorf("Could not get proposal payload arguments: %w", err)
}
// Format argument values as strings
argStrs := []string{}
for ai, arg := range args {
switch method.Inputs[ai].Type.T {
case abi.AddressTy:
argStrs = append(argStrs, arg.(common.Address).Hex())
case abi.HashTy:
argStrs = append(argStrs, arg.(common.Hash).Hex())
case abi.FixedBytesTy:
fallthrough
case abi.BytesTy:
argStrs = append(argStrs, hex.EncodeToString(arg.([]byte)))
default:
argStrs = append(argStrs, fmt.Sprintf("%v", arg))
}
}
// Build & return payload string
return strutils.Sanitize(fmt.Sprintf("%s(%s)", method.RawName, strings.Join(argStrs, ","))), nil
}