diff options
Diffstat (limited to 'plugin/evm/export_tx.go')
| -rw-r--r-- | plugin/evm/export_tx.go | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/plugin/evm/export_tx.go b/plugin/evm/export_tx.go index 249b7cf..9af11e0 100644 --- a/plugin/evm/export_tx.go +++ b/plugin/evm/export_tx.go @@ -5,15 +5,17 @@ package evm import ( "fmt" + "math/big" + + "github.com/ava-labs/coreth/core/state" "github.com/ava-labs/gecko/database" "github.com/ava-labs/gecko/ids" "github.com/ava-labs/gecko/snow" "github.com/ava-labs/gecko/utils/crypto" + safemath "github.com/ava-labs/gecko/utils/math" "github.com/ava-labs/gecko/vms/components/avax" "github.com/ava-labs/gecko/vms/secp256k1fx" - - safemath "github.com/ava-labs/gecko/utils/math" ) // UnsignedExportTx is an unsigned ExportTx @@ -31,6 +33,8 @@ type UnsignedExportTx struct { Ins []EVMInput `serialize:"true" json:"inputs"` // Outputs that are exported to the chain ExportedOutputs []*avax.TransferableOutput `serialize:"true" json:"exportedOutputs"` + // EVM nonce + nonce uint64 } // InputUTXOs returns an empty set @@ -144,3 +148,19 @@ func (vm *VM) newExportTx( } return tx, utx.Verify(vm.ctx.XChainID, vm.ctx, vm.txFee, vm.ctx.AVAXAssetID) } + +func (tx *UnsignedExportTx) EVMStateTransfer(state *state.StateDB) error { + for _, from := range tx.Ins { + amount := new(big.Int).Mul( + new(big.Int).SetUint64(from.Amount), x2cRate) + if state.GetBalance(from.Address).Cmp(amount) < 0 { + return errInsufficientFunds + } + state.SubBalance(from.Address, amount) + if state.GetNonce(from.Address) != tx.nonce { + return errInvalidNonce + } + state.SetNonce(from.Address, tx.nonce+1) + } + return nil +} |