diff --git a/src/contracts/blindEscrow.ts b/src/contracts/blindEscrow.ts
index f5679975..b4781b57 100644
--- a/src/contracts/blindEscrow.ts
+++ b/src/contracts/blindEscrow.ts
@@ -21,17 +21,19 @@ import { SECP256K1, Signature } from 'scrypt-ts-lib'
 // All public keys must be in uncompressed form. This also affects
 // the values of the pub key hashes i.e. addresses.
 
-export class BlindEscrow extends SmartContract {
-    // 4 possible actions:
+ // 4 possible actions:
     // - buyer signs and uses sellers stamp (releaseBySeller)
     // - buyer signs and uses arbiters stamp (releaseByArbiter)
     // - seller signs and uses buyers stamp (returnByBuyer)
     // - seller signs and uses arbiters stamp (returnByArbiter)
-    static readonly RELEASE_BY_SELLER = 0n
-    static readonly RELEASE_BY_ARBITER = 1n
-    static readonly RETURN_BY_BUYER = 2n
-    static readonly RETURN_BY_ARBITER = 3n
-
+    export enum Actions{
+     RELEASE_BY_SELLER,
+    RELEASE_BY_ARBITER,
+    RETURN_BY_BUYER,
+    RETURN_BY_ARBITER
+    }
+export class BlindEscrow extends SmartContract {
+   
     @prop()
     seller: Addr
 
@@ -73,16 +75,16 @@ export class BlindEscrow extends SmartContract {
         )
 
         // Load correct addresses.
-        if (action == BlindEscrow.RELEASE_BY_SELLER) {
+        if (action == BigInt(Actions.RELEASE_BY_SELLER)) {
             spender = this.buyer
             oracle = this.seller
-        } else if (action == BlindEscrow.RELEASE_BY_ARBITER) {
+        } else if (action == BigInt(Actions.RELEASE_BY_ARBITER)) {
             spender = this.buyer
             oracle = this.arbiter
-        } else if (action == BlindEscrow.RETURN_BY_BUYER) {
+        } else if (action == BigInt(Actions.RETURN_BY_BUYER)) {
             spender = this.seller
             oracle = this.buyer
-        } else if (action == BlindEscrow.RETURN_BY_ARBITER) {
+        } else if (action == BigInt(Actions.RETURN_BY_ARBITER)) {
             spender = this.seller
             oracle = this.arbiter
         } else {
diff --git a/tests/blindEscrow.test.ts b/tests/blindEscrow.test.ts
index fbe78547..5923e0b8 100644
--- a/tests/blindEscrow.test.ts
+++ b/tests/blindEscrow.test.ts
@@ -13,7 +13,7 @@ import {
     pubKey2Addr,
 } from 'scrypt-ts'
 import { Signature } from 'scrypt-ts-lib'
-import { BlindEscrow } from '../src/contracts/blindEscrow'
+import { BlindEscrow, Actions } from '../src/contracts/blindEscrow'
 import { getDefaultSigner } from './utils/helper'
 
 use(chaiAsPromised)
@@ -72,7 +72,7 @@ describe('Heavy: Test SmartContract `BlindEscrow`', () => {
 
         // Create "stamp", i.e. seller signature of the escrowNonce.
         const oracleMsg: ByteString =
-            escrowNonce + int2ByteString(BlindEscrow.RELEASE_BY_SELLER)
+            escrowNonce + int2ByteString(BigInt(Actions.RELEASE_BY_SELLER))
         const hashBuff = Buffer.from(hash256(oracleMsg), 'hex')
         const oracleSigObj = bsv.crypto.ECDSA.sign(hashBuff, seller)
         const oracleSig: Signature = {
@@ -89,7 +89,7 @@ describe('Heavy: Test SmartContract `BlindEscrow`', () => {
                 PubKey(buyerPubKey.toByteString()),
                 oracleSig,
                 PubKey(sellerPubKey.toByteString()),
-                BlindEscrow.RELEASE_BY_SELLER,
+                Actions.RELEASE_BY_SELLER,
                 {
                     pubKeyOrAddrToSign: buyer.publicKey,
                 } as MethodCallOptions<BlindEscrow>
@@ -102,7 +102,7 @@ describe('Heavy: Test SmartContract `BlindEscrow`', () => {
         //// Sig by buyer, stamp by arbiter.
 
         const oracleMsg: ByteString =
-            escrowNonce + int2ByteString(BlindEscrow.RELEASE_BY_ARBITER)
+            escrowNonce + int2ByteString(BigInt(Actions.RELEASE_BY_ARBITER))
         const hashBuff = Buffer.from(hash256(oracleMsg), 'hex')
         const oracleSigObj = bsv.crypto.ECDSA.sign(hashBuff, arbiter)
         const oracleSig: Signature = {
@@ -120,7 +120,7 @@ describe('Heavy: Test SmartContract `BlindEscrow`', () => {
                 PubKey(buyerPubKey.toByteString()),
                 oracleSig,
                 PubKey(arbiterPubKey.toByteString()),
-                BlindEscrow.RELEASE_BY_ARBITER,
+                Actions.RELEASE_BY_ARBITER,
                 {
                     pubKeyOrAddrToSign: buyer.publicKey,
                 } as MethodCallOptions<BlindEscrow>
@@ -133,7 +133,7 @@ describe('Heavy: Test SmartContract `BlindEscrow`', () => {
         //// Sig by seller, stamp by buyer.
 
         const oracleMsg: ByteString =
-            escrowNonce + int2ByteString(BlindEscrow.RETURN_BY_BUYER)
+            escrowNonce + int2ByteString(BigInt(Actions.RETURN_BY_BUYER))
         const hashBuff = Buffer.from(hash256(oracleMsg), 'hex')
         const oracleSigObj = bsv.crypto.ECDSA.sign(hashBuff, buyer)
         const oracleSig: Signature = {
@@ -149,7 +149,7 @@ describe('Heavy: Test SmartContract `BlindEscrow`', () => {
                 PubKey(sellerPubKey.toByteString()),
                 oracleSig,
                 PubKey(buyerPubKey.toByteString()),
-                BlindEscrow.RETURN_BY_BUYER,
+                Actions.RETURN_BY_BUYER,
                 {
                     pubKeyOrAddrToSign: seller.publicKey,
                 } as MethodCallOptions<BlindEscrow>
@@ -162,7 +162,7 @@ describe('Heavy: Test SmartContract `BlindEscrow`', () => {
         //// Sig by seller, stamp by arbiter.
 
         const oracleMsg: ByteString =
-            escrowNonce + int2ByteString(BlindEscrow.RETURN_BY_ARBITER)
+            escrowNonce + int2ByteString(BigInt(Actions.RETURN_BY_ARBITER))
         const hashBuff = Buffer.from(hash256(oracleMsg), 'hex')
         const oracleSigObj = bsv.crypto.ECDSA.sign(hashBuff, arbiter)
         const oracleSig: Signature = {
@@ -179,7 +179,7 @@ describe('Heavy: Test SmartContract `BlindEscrow`', () => {
                 PubKey(sellerPubKey.toByteString()),
                 oracleSig,
                 PubKey(arbiterPubKey.toByteString()),
-                BlindEscrow.RETURN_BY_ARBITER,
+                Actions.RETURN_BY_ARBITER,
                 {
                     pubKeyOrAddrToSign: seller.publicKey,
                 } as MethodCallOptions<BlindEscrow>