Merge pull request #58 from blockfrost/chore/tx-submit-invalidBefore

chore: add invalidBefore in submit test

Author: slowbackspace

src/tx-builder/helpers/compose-transaction.ts

@@ -15,6 +15,7 @@ export interface BlockchainParameters {
     | 'max_tx_size'
   >;
   currentSlot: number;
+  invalidBefore?: number;
 }
 export const composeTransaction = (
   address: string,
@@ -56,6 +57,12 @@ export const composeTransaction = (
 
   txBuilder.set_ttl(ttl);
 
+  if (params.invalidBefore !== undefined) {
+    txBuilder.set_validity_start_interval_bignum(
+      CardanoWasm.BigNum.from_str(params.invalidBefore.toString()),
+    );
+  }
+
   // Add output to the tx
   txBuilder.add_output(
     CardanoWasm.TransactionOutput.new(

src/tx-builder/index.ts

@@ -29,6 +29,7 @@ export const buildTx = async (options: {
   blockfrostClient: BlockFrostAPI;
   network: Network;
   blockchainParameters?: BlockchainParameters;
+  invalidBefore?: number;
 }) => {
   const { MNEMONIC, OUTPUT_AMOUNT, environment } = await init();
   const { blockfrostClient, blockchainParameters } = options;
@@ -68,6 +69,7 @@ export const buildTx = async (options: {
   const { txBody } = composeTransaction(address, address, OUTPUT_AMOUNT, utxos, {
     protocolParams: protocolParameters,
     currentSlot: currentSlot!,
+    invalidBefore: options.invalidBefore,
   });
 
   // Sign transaction

src/tx-builder/test.ts

@@ -16,6 +16,7 @@ import { getConfig } from '../config.js';
  * @param options.fetchParametersFromPublicAPI - If true, fetches blockchain parameters from public Blockfrost API instead of the configured backend. Defaults to false.
  * @param options.verifyTxUsingPublicAPI - If true, verifies transaction confirmation using public Blockfrost API instead of the configured backend. Defaults to false.
  * @param options.blockfrostAPIUrl - Custom Blockfrost API URL to use when fetchParametersFromPublicAPI or verifyTxUsingPublicAPI is true. If not provided, uses the default public Blockfrost API.
+ * @param options.invalidBefore - Optional slot number. If set, the transaction will not be valid before this slot.
  */
 export const submitTest = async (
   network: Network,
@@ -25,6 +26,7 @@ export const submitTest = async (
     fetchParametersFromPublicAPI?: boolean;
     verifyTxUsingPublicAPI?: boolean;
     blockfrostAPIUrl?: string;
+    invalidBefore?: number;
   },
 ) => {
   const envConfig = getConfig();
@@ -56,6 +58,7 @@ export const submitTest = async (
     network,
     blockchainParameters: options?.blockchainParameters,
     blockfrostClient: publicBFClient ?? localBFClient,
+    invalidBefore: options?.invalidBefore,
   });
   const signedTxJson = signedTx.to_js_value();
 
@@ -99,7 +102,7 @@ export const submitTest = async (
     fees: signedTxJson.body.fee,
     deposit: '0',
     size: expect.any(Number),
-    invalid_before: null,
+    invalid_before: options?.invalidBefore ? String(options.invalidBefore) : null,
     invalid_hereafter: signedTxJson.body.ttl,
     utxo_count: signedTxJson.body.outputs.length + signedTxJson.body.inputs.length,
     withdrawal_count: 0,