mirror of
https://github.com/AthanorLabs/atomic-swap.git
synced 2026-01-09 14:18:03 -05:00
961ceea463
* rework contracts to use less gas by storing just swap hash when creating a swap * prevent overriding of existing swaps * ensure swap exists when trying to refund * update bindings script and go contract bindings * update swapfactory go tests * updating protocol, compiles * update recoverer, everything builds * fix cmd/recover tests * fix recover tests * lint * fix checkContractCode * fix protocol/ tests * inherit secp256k1 instead of using library to prevent double deployment * rerun abigen and hardcode runtime bin for now * add nolint to long hardcoded runtime bin line * cleanup commented out stuff Co-authored-by: noot <elizabethjbinks@gmail.com>
133 lines
2.8 KiB
Go
133 lines
2.8 KiB
Go
package swapfactory
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import (
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"bytes"
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"errors"
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"math/big"
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"strings"
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"github.com/ethereum/go-ethereum/accounts/abi"
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ethtypes "github.com/ethereum/go-ethereum/core/types"
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"github.com/noot/atomic-swap/common"
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mcrypto "github.com/noot/atomic-swap/crypto/monero"
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)
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const (
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StageInvalid byte = iota //nolint:revive
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StagePending
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StageReady
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StageCompleted
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)
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// GetSecretFromLog returns the secret from a Claimed or Refunded log
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func GetSecretFromLog(log *ethtypes.Log, event string) (*mcrypto.PrivateSpendKey, error) {
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if event != "Refunded" && event != "Claimed" {
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return nil, errors.New("invalid event name, must be one of Claimed or Refunded")
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}
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abi, err := abi.JSON(strings.NewReader(SwapFactoryABI))
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if err != nil {
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return nil, err
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}
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data := log.Data
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res, err := abi.Unpack(event, data)
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if err != nil {
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return nil, err
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}
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if len(res) < 2 {
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return nil, errors.New("log had not enough parameters")
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}
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s := res[1].([32]byte)
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if s == [32]byte{} {
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return nil, errors.New("got zero secret key from contract")
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}
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sk, err := mcrypto.NewPrivateSpendKey(common.Reverse(s[:]))
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if err != nil {
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return nil, err
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}
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return sk, nil
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}
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// CheckIfLogIDMatches returns true if the swap ID in the log matches the given ID, false otherwise.
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func CheckIfLogIDMatches(log ethtypes.Log, event string, id [32]byte) (bool, error) {
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if event != "Refunded" && event != "Claimed" {
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return false, errors.New("invalid event name, must be one of Claimed or Refunded")
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}
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abi, err := abi.JSON(strings.NewReader(SwapFactoryABI))
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if err != nil {
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return false, err
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}
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data := log.Data
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res, err := abi.Unpack(event, data)
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if err != nil {
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return false, err
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}
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if len(res) < 2 {
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return false, errors.New("log had not enough parameters")
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}
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eventID := res[0].([32]byte)
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if !bytes.Equal(eventID[:], id[:]) {
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return false, nil
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}
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return true, nil
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}
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// GetIDFromLog returns the swap ID from a New log.
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func GetIDFromLog(log *ethtypes.Log) ([32]byte, error) {
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abi, err := abi.JSON(strings.NewReader(SwapFactoryABI))
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if err != nil {
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return [32]byte{}, err
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}
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const event = "New"
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data := log.Data
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res, err := abi.Unpack(event, data)
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if err != nil {
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return [32]byte{}, err
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}
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if len(res) == 0 {
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return [32]byte{}, errors.New("log didn't have enough parameters")
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}
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id := res[0].([32]byte)
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return id, nil
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}
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// GetTimeoutsFromLog returns the timeouts from a New event.
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func GetTimeoutsFromLog(log *ethtypes.Log) (*big.Int, *big.Int, error) {
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abi, err := abi.JSON(strings.NewReader(SwapFactoryABI))
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if err != nil {
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return nil, nil, err
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}
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const event = "New"
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data := log.Data
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res, err := abi.Unpack(event, data)
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if err != nil {
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return nil, nil, err
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}
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if len(res) < 5 {
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return nil, nil, errors.New("log didn't have enough parameters")
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}
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t0 := res[3].(*big.Int)
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t1 := res[4].(*big.Int)
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return t0, t1, nil
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}
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