Merge pull request #1525 from mintlayer/feature/wasm-helper-function

Add wasm helper function to get spend maturity block count

wasm-crypto/js-bindings/crypto_test.js

@@ -28,6 +28,7 @@ import {
   SignatureHashType,
   encode_input_for_account_outpoint,
   estimate_transaction_size,
+  staking_pool_spend_maturity_block_count,
 } from "../pkg/wasm_crypto.js";
 
 function assert_eq_arrays(arr1, arr2) {
@@ -171,6 +172,14 @@ export async function run_test() {
     }
   }
 
+  {
+    const lock_for_blocks = staking_pool_spend_maturity_block_count(BigInt(1000));
+    console.log(`lock for blocks ${lock_for_blocks}`)
+    if (lock_for_blocks != 7200) {
+      throw new Error("Incorrect lock for blocks");
+    }
+  }
+
   {
     try {
       encode_input_for_utxo("asd", 1);

wasm-crypto/src/lib.rs

@@ -280,6 +280,14 @@ pub fn encode_output_transfer(
     Ok(output.encode())
 }
 
+#[wasm_bindgen]
+pub fn staking_pool_spend_maturity_block_count(current_block_height: u64, network: Network) -> u64 {
+    let chain_config = Builder::new(network.into()).build();
+    chain_config
+        .staking_pool_spend_maturity_block_count(BlockHeight::new(current_block_height))
+        .to_int()
+}
+
 #[wasm_bindgen]
 pub fn encode_lock_for_block_count(num: u64) -> Vec<u8> {
     let output = OutputTimeLock::ForBlockCount(num);