add test for TokenBalance and ScriptBalances as they are reused now

packages/jellyfish-transaction/__tests__/script/defi/dftx_balance/ScriptBalances.test.ts

@@ -0,0 +1,35 @@
+import BigNumber from 'bignumber.js'
+import { SmartBuffer } from 'smart-buffer'
+import { CScriptBalances, ScriptBalances } from '../../../../src/script/defi/dftx_balance'
+import { OP_CODES } from '../../../../src/script'
+
+const data = '17a914d6e3de1c51f22e580944bb6a1647f1d22f0159c78701000000007030e65502000000'
+const scriptBalances: ScriptBalances = {
+  script: {
+    stack: [
+      OP_CODES.OP_HASH160,
+      OP_CODES.OP_PUSHDATA_HEX_LE('d6e3de1c51f22e580944bb6a1647f1d22f0159c7'),
+      OP_CODES.OP_EQUAL
+    ]
+  },
+  balances: [
+    {
+      amount: new BigNumber('100.31083632'), token: 0
+    }
+  ]
+}
+
+describe('Composable', () => {
+  it('should compose from buffer to composable', () => {
+    const buffer = SmartBuffer.fromBuffer(Buffer.from(data, 'hex'))
+    const composable = new CScriptBalances(buffer)
+    expect(composable.toObject()).toEqual(scriptBalances)
+  })
+
+  it('should compose from composable to buffer', () => {
+    const composable = new CScriptBalances(scriptBalances)
+    const buffer = new SmartBuffer()
+    composable.toBuffer(buffer)
+    expect(buffer.toBuffer().toString('hex')).toEqual(data)
+  })
+})

packages/jellyfish-transaction/__tests__/script/defi/dftx_balance/TokenBalance.test.ts

@@ -0,0 +1,24 @@
+import BigNumber from 'bignumber.js'
+import { SmartBuffer } from 'smart-buffer'
+import { CTokenBalance, TokenBalance } from '../../../../src/script/defi/dftx_balance'
+
+const data = '000000003da5a50300000000'
+const tokenBalance: TokenBalance = {
+  token: 0,
+  amount: new BigNumber('0.61187389')
+}
+
+describe('Composable', () => {
+  it('should compose from buffer to composable', () => {
+    const buffer = SmartBuffer.fromBuffer(Buffer.from(data, 'hex'))
+    const composable = new CTokenBalance(buffer)
+    expect(composable.toObject()).toEqual(tokenBalance)
+  })
+
+  it('should compose from composable to buffer', () => {
+    const composable = new CTokenBalance(tokenBalance)
+    const buffer = new SmartBuffer()
+    composable.toBuffer(buffer)
+    expect(buffer.toBuffer().toString('hex')).toEqual(data)
+  })
+})