Added moving funds commitment submission

pkg/chain/ethereum/tbtc.go

@@ -1939,6 +1939,28 @@ func (tc *TbtcChain) OnMovingFundsCommitmentInitiated(handler func(uint64)) subs
 	})
 }
 
+func (tc *TbtcChain) SubmitMovingFundsCommitment(
+	walletPublicKeyHash [20]byte,
+	walletMainUTXO bitcoin.UnspentTransactionOutput,
+	walletMembersIDs []uint32,
+	walletMemberIndex uint32,
+	targetWallets [][20]byte,
+) error {
+	mainUtxo := tbtcabi.BitcoinTxUTXO{
+		TxHash:        walletMainUTXO.Outpoint.TransactionHash,
+		TxOutputIndex: walletMainUTXO.Outpoint.OutputIndex,
+		TxOutputValue: uint64(walletMainUTXO.Value),
+	}
+	_, err := tc.bridge.SubmitMovingFundsCommitment(
+		walletPublicKeyHash,
+		mainUtxo,
+		walletMembersIDs,
+		big.NewInt(int64(walletMemberIndex)),
+		targetWallets,
+	)
+	return err
+}
+
 func (tc *TbtcChain) ValidateRedemptionProposal(
 	proposal *tbtc.RedemptionProposal,
 ) error {

pkg/tbtc/chain.go

@@ -367,7 +367,20 @@ type WalletCoordinatorChain interface {
 		func(event *RedemptionProposalSubmittedEvent),
 	) subscription.EventSubscription
 
-	OnMovingFundsCommitmentInitiated(func(blockNumber uint64)) subscription.EventSubscription
+	// OnMovingFundsCommitmentInitiated registers a callback that is invoked
+	// when moving funds commitment is initiated.
+	OnMovingFundsCommitmentInitiated(
+		func(blockNumber uint64),
+	) subscription.EventSubscription
+
+	// Submits the moving funds target wallets commitment.
+	SubmitMovingFundsCommitment(
+		walletPublicKeyHash [20]byte,
+		walletMainUTXO bitcoin.UnspentTransactionOutput,
+		walletMembersIDs []uint32,
+		walletMemberIndex uint32,
+		targetWallets [][20]byte,
+	) error
 
 	// ValidateDepositSweepProposal validates the given deposit sweep proposal
 	// against the chain. It requires some additional data about the deposits

pkg/tbtc/chain_test.go

@@ -764,6 +764,16 @@ func (lc *localChain) OnMovingFundsCommitmentInitiated(handler func(uint64)) sub
 	panic("unsupported")
 }
 
+func (lc *localChain) SubmitMovingFundsCommitment(
+	walletPublicKeyHash [20]byte,
+	walletMainUTXO bitcoin.UnspentTransactionOutput,
+	walletMembersIDs []uint32,
+	walletMemberIndex uint32,
+	targetWallets [][20]byte,
+) error {
+	panic("unsupported")
+}
+
 func (lc *localChain) ValidateRedemptionProposal(
 	proposal *RedemptionProposal,
 ) error {