diff options
Diffstat (limited to 'plugin/evm/export_tx.go')
| -rw-r--r-- | plugin/evm/export_tx.go | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/plugin/evm/export_tx.go b/plugin/evm/export_tx.go index f210352..d099eb2 100644 --- a/plugin/evm/export_tx.go +++ b/plugin/evm/export_tx.go @@ -92,16 +92,25 @@ func (tx *UnsignedExportTx) SemanticVerify( return permError{err} } + if len(tx.Ins) != len(stx.Creds) { + return permError{errSignatureInputsMismatch} + } + f := crypto.FactorySECP256K1R{} - for i, cred := range stx.Creds { + for i, input := range tx.Ins { + cred := stx.Creds[i].(*secp256k1fx.Credential) if err := cred.Verify(); err != nil { return permError{err} } - pubKey, err := f.RecoverPublicKey(tx.UnsignedBytes(), cred.(*secp256k1fx.Credential).Sigs[0][:]) + + if len(cred.Sigs) != 1 { + return permError{fmt.Errorf("expected one signature for EVM Input Credential, but found: %d", len(cred.Sigs))} + } + pubKey, err := f.RecoverPublicKey(tx.UnsignedBytes(), cred.Sigs[0][:]) if err != nil { return permError{err} } - if tx.Ins[i].Address != PublicKeyToEthAddress(pubKey) { + if input.Address != PublicKeyToEthAddress(pubKey) { return permError{errPublicKeySignatureMismatch} } } @@ -160,7 +169,7 @@ func (tx *UnsignedExportTx) Accept(ctx *snow.Context, _ database.Batch) error { return ctx.SharedMemory.Put(tx.DestinationChain, elems) } -// Create a new transaction +// newExportTx returns a new ExportTx func (vm *VM) newExportTx( assetID ids.ID, // AssetID of the tokens to export amount uint64, // Amount of tokens to export @@ -183,14 +192,14 @@ func (vm *VM) newExportTx( toBurn = vm.txFee } // burn AVAX - ins, signers, err := vm.GetSpendableCanonical(keys, vm.ctx.AVAXAssetID, toBurn) + ins, signers, err := vm.GetSpendableFunds(keys, vm.ctx.AVAXAssetID, toBurn) if err != nil { return nil, fmt.Errorf("couldn't generate tx inputs/outputs: %w", err) } // burn non-AVAX if !assetID.Equals(vm.ctx.AVAXAssetID) { - ins2, signers2, err := vm.GetSpendableCanonical(keys, assetID, amount) + ins2, signers2, err := vm.GetSpendableFunds(keys, assetID, amount) if err != nil { return nil, fmt.Errorf("couldn't generate tx inputs/outputs: %w", err) } @@ -210,6 +219,9 @@ func (vm *VM) newExportTx( }, }} + avax.SortTransferableOutputs(exportOuts, vm.codec) + SortEVMInputsAndSigners(ins, signers) + // Create the transaction utx := &UnsignedExportTx{ NetworkID: vm.ctx.NetworkID, @@ -225,6 +237,7 @@ func (vm *VM) newExportTx( return tx, utx.Verify(vm.ctx.XChainID, vm.ctx, vm.txFee, vm.ctx.AVAXAssetID) } +// EVMStateTransfer executes the state update from the atomic export transaction func (tx *UnsignedExportTx) EVMStateTransfer(vm *VM, state *state.StateDB) error { addrs := map[[20]byte]uint64{} for _, from := range tx.Ins { |