WIP

Author: Lech Głowiak

toolkit/smart-contracts/offchain/src/bridge/deposit.rs

@@ -16,8 +16,9 @@ use crate::{
 	},
 };
 use cardano_serialization_lib::{
-	Address, AssetName, BigNum, MultiAsset, PlutusData, ScriptHash, Transaction,
-	TransactionBuilder, TransactionOutputBuilder, TxInputsBuilder,
+	Address, AssetName, BigNum, JsError, MetadataMap, MultiAsset, PlutusData, ScriptHash,
+	Transaction, TransactionBuilder, TransactionMetadatum, TransactionOutputBuilder,
+	TxInputsBuilder,
 };
 use ogmios_client::{
 	query_ledger_state::{QueryLedgerState, QueryUtxoByUtxoId},
@@ -103,6 +104,7 @@ fn deposit_only_tx(
 		.with_address(ics_address)
 		.with_plutus_data(&to_user_transfer_datum(pc_address))
 		.next()?;
+	tx_builder.add_metadatum(&0u64.into(), &to_user_transfer_metadatum(pc_address)?);
 	let ma = MultiAsset::new().with_asset_amount(&token_amount.token, token_amount.amount)?;
 	let output = output_builder.with_minimum_ada_and_asset(&ma, ctx)?.build()?;
 	tx_builder.add_output(&output)?;
@@ -240,3 +242,12 @@ fn deposit_tx(
 fn to_user_transfer_datum(pc_address: &[u8]) -> PlutusData {
 	TokenTransferDatumV1::UserTransfer { receiver: ByteString(pc_address.to_vec()) }.into()
 }
+
+fn to_user_transfer_metadatum(pc_address: &[u8]) -> Result<TransactionMetadatum, JsError> {
+	let mut map = MetadataMap::new();
+	map.insert(
+		&TransactionMetadatum::new_text("receiver".to_string())?,
+		&TransactionMetadatum::new_bytes(pc_address.to_vec())?,
+	);
+	Ok(TransactionMetadatum::new_map(&map))
+}