feat: allow removing txns from pool via CLI/RPC

eth/api_backend.go

@@ -266,6 +266,10 @@ func (b *EthAPIBackend) SendTx(ctx context.Context, signedTx *types.Transaction)
 	return b.eth.txPool.AddLocal(signedTx)
 }
 
+func (b *EthAPIBackend) RemoveTx(txHash common.Hash) {
+	b.eth.txPool.RemoveTx(txHash, true)
+}
+
 func (b *EthAPIBackend) GetPoolTransactions() (types.Transactions, error) {
 	pending := b.eth.txPool.Pending(false)
 	var txs types.Transactions

internal/ethapi/api.go

@@ -227,6 +227,11 @@ func (s *PublicTxPoolAPI) Status() map[string]hexutil.Uint {
 	}
 }
 
+// RemoveTransactionByHash evicts a transaction from the pool.
+func (s *PublicTxPoolAPI) RemoveTransactionByHash(ctx context.Context, hash common.Hash) {
+	s.b.RemoveTx(hash)
+}
+
 // Inspect retrieves the content of the transaction pool and flattens it into an
 // easily inspectable list.
 func (s *PublicTxPoolAPI) Inspect() map[string]map[string]map[string]string {

internal/ethapi/backend.go

@@ -75,6 +75,7 @@ type Backend interface {
 
 	// Transaction pool API
 	SendTx(ctx context.Context, signedTx *types.Transaction) error
+	RemoveTx(txHash common.Hash)
 	GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error)
 	GetPoolTransactions() (types.Transactions, error)
 	GetPoolTransaction(txHash common.Hash) *types.Transaction

internal/web3ext/web3ext.go

@@ -772,6 +772,11 @@ web3._extend({
 			call: 'txpool_contentFrom',
 			params: 1,
 		}),
+		new web3._extend.Method({
+			name: 'removeTransactionByHash',
+			call: 'txpool_removeTransactionByHash',
+			params: 1
+		}),
 	]
 });
 `

params/version.go

@@ -24,7 +24,7 @@ import (
 const (
 	VersionMajor = 5         // Major version component of the current release
 	VersionMinor = 7         // Minor version component of the current release
-	VersionPatch = 14        // Patch version component of the current release
+	VersionPatch = 15        // Patch version component of the current release
 	VersionMeta  = "mainnet" // Version metadata to append to the version string
 )