chore_: rework transaction code to make it more reusable
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parent
cfcef92e64
commit
414e08b283
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@ -2,6 +2,7 @@ package routes
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import (
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"math/big"
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"strconv"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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@ -169,3 +170,9 @@ func (p *Path) Copy() *Path {
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return newPath
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}
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// ID that uniquely identifies a path in a given route
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func (p *Path) ID() string {
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// A route will contain at most a single path from a given processor for a given origin chain
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return p.ProcessorName + "-" + strconv.Itoa(int(p.FromChain.ChainID))
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}
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@ -43,26 +43,30 @@ type TransactionDescription struct {
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signature []byte
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}
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type RouterTransactionDetails struct {
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RouterPath *routes.Path
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type TransactionData struct {
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TxArgs *transactions.SendTxArgs
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Tx *ethTypes.Transaction
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TxHashToSign types.Hash
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TxSignature []byte
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TxSentHash types.Hash
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ApprovalTxArgs *transactions.SendTxArgs
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ApprovalTx *ethTypes.Transaction
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ApprovalHashToSign types.Hash
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ApprovalSignature []byte
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ApprovalTxSentHash types.Hash
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HashToSign types.Hash
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Signature []byte
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SentHash types.Hash
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}
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func (txd *TransactionData) IsTxPlaced() bool {
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return txd.SentHash != types.Hash(wallet_common.ZeroHash())
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}
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type RouterTransactionDetails struct {
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RouterPath *routes.Path
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TxData *TransactionData
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ApprovalTxData *TransactionData
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}
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func (rtd *RouterTransactionDetails) IsTxPlaced() bool {
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return rtd.TxSentHash != types.Hash(wallet_common.ZeroHash())
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return rtd.TxData != nil && rtd.TxData.IsTxPlaced()
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}
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func (rtd *RouterTransactionDetails) IsApprovalPlaced() bool {
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return rtd.ApprovalTxSentHash != types.Hash(wallet_common.ZeroHash())
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return rtd.ApprovalTxData != nil && rtd.ApprovalTxData.IsTxPlaced()
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}
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type TransactionManager struct {
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@ -60,8 +60,23 @@ func (tm *TransactionManager) TxPlacedForPath(pathProcessorName string) bool {
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return false
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}
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func (tm *TransactionManager) buildApprovalTxForPath(path *routes.Path, addressFrom common.Address,
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usedNonces map[uint64]int64, signer ethTypes.Signer) (types.Hash, error) {
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func (tm *TransactionManager) getOrInitDetailsForPath(path *routes.Path) *RouterTransactionDetails {
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for _, desc := range tm.routerTransactions {
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if desc.RouterPath.ID() == path.ID() {
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return desc
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}
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}
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newDetails := &RouterTransactionDetails{
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RouterPath: path,
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}
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tm.routerTransactions = append(tm.routerTransactions, newDetails)
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return newDetails
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}
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func buildApprovalTxForPath(transactor transactions.TransactorIface, path *routes.Path, addressFrom common.Address,
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usedNonces map[uint64]int64, signer ethTypes.Signer) (*TransactionData, error) {
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lastUsedNonce := int64(-1)
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if nonce, ok := usedNonces[path.FromChain.ChainID]; ok {
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lastUsedNonce = nonce
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@ -69,7 +84,7 @@ func (tm *TransactionManager) buildApprovalTxForPath(path *routes.Path, addressF
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data, err := walletCommon.PackApprovalInputData(path.AmountIn.ToInt(), path.ApprovalContractAddress)
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if err != nil {
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return types.Hash{}, err
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return nil, err
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}
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addrTo := types.Address(path.FromToken.Address)
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@ -93,25 +108,22 @@ func (tm *TransactionManager) buildApprovalTxForPath(path *routes.Path, addressF
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approavalSendArgs.FromTokenID = path.FromToken.Symbol
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}
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builtApprovalTx, usedNonce, err := tm.transactor.ValidateAndBuildTransaction(approavalSendArgs.FromChainID, *approavalSendArgs, lastUsedNonce)
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builtApprovalTx, usedNonce, err := transactor.ValidateAndBuildTransaction(approavalSendArgs.FromChainID, *approavalSendArgs, lastUsedNonce)
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if err != nil {
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return types.Hash{}, err
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return nil, err
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}
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approvalTxHash := signer.Hash(builtApprovalTx)
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usedNonces[path.FromChain.ChainID] = int64(usedNonce)
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tm.routerTransactions = append(tm.routerTransactions, &RouterTransactionDetails{
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RouterPath: path,
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ApprovalTxArgs: approavalSendArgs,
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ApprovalTx: builtApprovalTx,
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ApprovalHashToSign: types.Hash(approvalTxHash),
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})
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return types.Hash(approvalTxHash), nil
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return &TransactionData{
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TxArgs: approavalSendArgs,
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Tx: builtApprovalTx,
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HashToSign: types.Hash(approvalTxHash),
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}, nil
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}
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func (tm *TransactionManager) buildTxForPath(path *routes.Path, pathProcessors map[string]pathprocessor.PathProcessor,
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usedNonces map[uint64]int64, signer ethTypes.Signer, params BuildRouteExtraParams) (types.Hash, error) {
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func buildTxForPath(transactor transactions.TransactorIface, path *routes.Path, pathProcessors map[string]pathprocessor.PathProcessor,
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usedNonces map[uint64]int64, signer ethTypes.Signer, params BuildRouteExtraParams) (*TransactionData, error) {
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lastUsedNonce := int64(-1)
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if nonce, ok := usedNonces[path.FromChain.ChainID]; ok {
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lastUsedNonce = nonce
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@ -134,7 +146,7 @@ func (tm *TransactionManager) buildTxForPath(path *routes.Path, pathProcessors m
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data, err := pathProcessors[path.ProcessorName].PackTxInputData(processorInputParams)
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if err != nil {
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return types.Hash{}, err
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return nil, err
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}
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addrTo := types.Address(params.AddressTo)
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@ -185,19 +197,16 @@ func (tm *TransactionManager) buildTxForPath(path *routes.Path, pathProcessors m
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builtTx, usedNonce, err := pathProcessors[path.ProcessorName].BuildTransactionV2(sendArgs, lastUsedNonce)
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if err != nil {
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return types.Hash{}, err
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return nil, err
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}
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txHash := signer.Hash(builtTx)
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usedNonces[path.FromChain.ChainID] = int64(usedNonce)
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tm.routerTransactions = append(tm.routerTransactions, &RouterTransactionDetails{
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RouterPath: path,
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return &TransactionData{
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TxArgs: sendArgs,
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Tx: builtTx,
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TxHashToSign: types.Hash(txHash),
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})
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return types.Hash(txHash), nil
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HashToSign: types.Hash(txHash),
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}, nil
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}
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func (tm *TransactionManager) BuildTransactionsFromRoute(route routes.Route, pathProcessors map[string]pathprocessor.PathProcessor,
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@ -227,13 +236,15 @@ func (tm *TransactionManager) BuildTransactionsFromRoute(route routes.Route, pat
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for _, path := range route {
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signer := ethTypes.NewLondonSigner(big.NewInt(int64(path.FromChain.ChainID)))
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txDetails := tm.getOrInitDetailsForPath(path)
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// always check for approval tx first for the path and build it if needed
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if path.ApprovalRequired && !tm.ApprovalPlacedForPath(path.ProcessorName) {
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approvalTxHash, err := tm.buildApprovalTxForPath(path, params.AddressFrom, usedNonces, signer)
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txDetails.ApprovalTxData, err = buildApprovalTxForPath(tm.transactor, path, params.AddressFrom, usedNonces, signer)
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if err != nil {
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return nil, err
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}
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response.Hashes = append(response.Hashes, approvalTxHash)
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response.Hashes = append(response.Hashes, txDetails.ApprovalTxData.HashToSign)
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// if approval is needed for swap, we cannot build the swap tx before the approval tx is mined
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if path.ProcessorName == pathprocessor.ProcessorSwapParaswapName {
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@ -242,11 +253,11 @@ func (tm *TransactionManager) BuildTransactionsFromRoute(route routes.Route, pat
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}
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// build tx for the path
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txHash, err := tm.buildTxForPath(path, pathProcessors, usedNonces, signer, params)
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txDetails.TxData, err = buildTxForPath(tm.transactor, path, pathProcessors, usedNonces, signer, params)
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if err != nil {
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return nil, err
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}
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response.Hashes = append(response.Hashes, txHash)
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response.Hashes = append(response.Hashes, txDetails.TxData.HashToSign)
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}
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return response, nil
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@ -282,51 +293,75 @@ func getSignatureForTxHash(txHash string, signatures map[string]SignatureDetails
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return signature, nil
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}
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func validateAndAddSignature(txData *TransactionData, signatures map[string]SignatureDetails) error {
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if txData != nil && !txData.IsTxPlaced() {
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var err error
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txData.Signature, err = getSignatureForTxHash(txData.HashToSign.String(), signatures)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (tm *TransactionManager) ValidateAndAddSignaturesToRouterTransactions(signatures map[string]SignatureDetails) error {
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if len(tm.routerTransactions) == 0 {
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return ErrNoTrsansactionsBeingBuilt
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}
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// check if all transactions have been signed
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var err error
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for _, desc := range tm.routerTransactions {
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if desc.ApprovalTx != nil && desc.ApprovalTxSentHash == (types.Hash{}) {
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sig, err := getSignatureForTxHash(desc.ApprovalHashToSign.String(), signatures)
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err = validateAndAddSignature(desc.ApprovalTxData, signatures)
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if err != nil {
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return err
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}
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desc.ApprovalSignature = sig
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}
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if desc.Tx != nil && desc.TxSentHash == (types.Hash{}) {
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sig, err := getSignatureForTxHash(desc.TxHashToSign.String(), signatures)
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err = validateAndAddSignature(desc.TxData, signatures)
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if err != nil {
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return err
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}
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desc.TxSignature = sig
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}
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}
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return nil
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}
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func addSignatureAndSendTransaction(
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transactor transactions.TransactorIface,
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txData *TransactionData,
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multiTransactionID walletCommon.MultiTransactionIDType,
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isApproval bool) (*responses.RouterSentTransaction, error) {
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var txWithSignature *ethTypes.Transaction
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var err error
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txWithSignature, err = transactor.AddSignatureToTransaction(txData.TxArgs.FromChainID, txData.Tx, txData.Signature)
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if err != nil {
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return nil, err
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}
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txData.Tx = txWithSignature
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txData.SentHash, err = transactor.SendTransactionWithSignature(common.Address(txData.TxArgs.From), txData.TxArgs.FromTokenID, multiTransactionID, txWithSignature)
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if err != nil {
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return nil, err
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}
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return responses.NewRouterSentTransaction(txData.TxArgs, txData.SentHash, isApproval), nil
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}
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func (tm *TransactionManager) SendRouterTransactions(ctx context.Context, multiTx *MultiTransaction) (transactions []*responses.RouterSentTransaction, err error) {
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transactions = make([]*responses.RouterSentTransaction, 0)
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// send transactions
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for _, desc := range tm.routerTransactions {
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if desc.ApprovalTx != nil && !desc.IsApprovalPlaced() {
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var approvalTxWithSignature *ethTypes.Transaction
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approvalTxWithSignature, err = tm.transactor.AddSignatureToTransaction(desc.ApprovalTxArgs.FromChainID, desc.ApprovalTx, desc.ApprovalSignature)
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if desc.ApprovalTxData != nil && !desc.IsApprovalPlaced() {
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var response *responses.RouterSentTransaction
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response, err = addSignatureAndSendTransaction(tm.transactor, desc.ApprovalTxData, multiTx.ID, true)
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if err != nil {
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return
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}
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desc.ApprovalTxSentHash, err = tm.transactor.SendTransactionWithSignature(common.Address(desc.ApprovalTxArgs.From), desc.ApprovalTxArgs.FromTokenID, multiTx.ID, approvalTxWithSignature)
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if err != nil {
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return
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}
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transactions = append(transactions, responses.NewRouterSentTransaction(desc.ApprovalTxArgs, desc.ApprovalTxSentHash, true))
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transactions = append(transactions, response)
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// if approval is needed for swap, then we need to wait for the approval tx to be mined before sending the swap tx
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if desc.RouterPath.ProcessorName == pathprocessor.ProcessorSwapParaswapName {
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@ -334,19 +369,14 @@ func (tm *TransactionManager) SendRouterTransactions(ctx context.Context, multiT
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}
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}
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if desc.Tx != nil && !desc.IsTxPlaced() {
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var txWithSignature *ethTypes.Transaction
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txWithSignature, err = tm.transactor.AddSignatureToTransaction(desc.TxArgs.FromChainID, desc.Tx, desc.TxSignature)
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if desc.TxData != nil && !desc.IsTxPlaced() {
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var response *responses.RouterSentTransaction
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response, err = addSignatureAndSendTransaction(tm.transactor, desc.TxData, multiTx.ID, false)
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if err != nil {
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return
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}
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desc.TxSentHash, err = tm.transactor.SendTransactionWithSignature(common.Address(desc.TxArgs.From), desc.TxArgs.FromTokenID, multiTx.ID, txWithSignature)
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if err != nil {
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return
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}
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transactions = append(transactions, responses.NewRouterSentTransaction(desc.TxArgs, desc.TxSentHash, false))
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transactions = append(transactions, response)
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}
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}
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