Add support for contract chain object (v3)

aeternity · Sep 28, 2023 · ea3e985 · ea3e985
1 parent 8204ae3
commit ea3e985
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Showing 3 changed files with 70 additions and 0 deletions.
diff --git a/src/ChainObjects/ChainObjectTemplates.js b/src/ChainObjects/ChainObjectTemplates.js
@@ -101,4 +101,19 @@ export default Object.freeze({
             info: 'uint_32'
         }
     },
+    COMPILER_SOPHIA: {
+        3: {
+            sourceHash: 'hex',
+            typeInfo: [{
+                hash: 'binary',
+                name: 'binary',
+                payable: 'bool',
+                argType: 'binary',
+                returnType: 'binary'
+            }],
+            byteCode: 'binary',
+            compilerVersion: 'string',
+            payable: 'bool'
+        }
+    }
 })
diff --git a/src/PrimitivesEncoder.js b/src/PrimitivesEncoder.js
@@ -21,6 +21,22 @@ const ByteArray2Int = (data) => {
     return BigInt('0x' + hex.join(''))
 }
 
+const ByteArray2Hex = (data) => {
+    return ByteArrayToHexArray(data).join('')
+}
+
+const HexStringToByteArray = (str) => {
+    const match = str.match(/^(0x)?([a-f0-9]*)$/i)
+    if (!match) {
+        throw new Error(`Invalid hex string: ${str}`)
+    }
+
+    return new Uint8Array(match[2]
+        .split(/(.{1,2})/)
+        .filter(el => el)
+        .map(el => parseInt(el, 16)))
+}
+
 // this is overlaping with general calldata Serializer with some extras: uint_* and id
 export default class PrimitivesEncoder {
     constructor() {
@@ -35,6 +51,7 @@ export default class PrimitivesEncoder {
             bool: this.decodeBool,
             string: this.decodeString.bind(this),
             binary: this.decodeBinary,
+            hex: (value) => ByteArray2Hex(value),
         }
 
         this.encoders = {
@@ -45,6 +62,7 @@ export default class PrimitivesEncoder {
             bool: this.encodeBool,
             string: this.encodeString.bind(this),
             binary: this.encodeBinary,
+            hex: (value) => HexStringToByteArray(value),
         }
     }
 

diff --git a/tests/ChainObjectSerializer.js b/tests/ChainObjectSerializer.js
@@ -177,3 +177,40 @@ test('Deserialize Light MicroBlock', t => {
         lightMicroBlock
     )
 })
+
+test('Deserialize contract', t => {
+    t.plan(1)
+
+    const contractData = new Uint8Array([
+        248, 114, 70, 3, 160, 144, 2, 203, 30, 239, 26, 171,
+        141, 199, 191, 152, 59, 237, 121, 38, 75, 206, 160, 74,
+        96, 79, 9, 108, 232, 235, 229, 249, 64, 98, 98, 163,
+        200, 192, 184, 69, 169, 254, 68, 214, 68, 31, 0, 55,
+        0, 55, 0, 26, 14, 130, 17, 116, 101, 115, 116, 26,
+        14, 132, 17, 101, 99, 104, 111, 1, 3, 63, 254, 98,
+        168, 180, 140, 4, 55, 0, 7, 1, 3, 4, 151, 47,
+        2, 17, 68, 214, 68, 31, 17, 105, 110, 105, 116, 17,
+        98, 168, 180, 140, 21, 116, 101, 115, 116, 50, 130, 47,
+        0, 133, 54, 46, 49, 46, 48, 1
+    ])
+    const contract = new ChainObject('compiler_sophia', {
+        vsn: 3n,
+        sourceHash: '9002cb1eef1aab8dc7bf983bed79264bcea04a604f096ce8ebe5f9406262a3c8',
+        compilerVersion: '6.1.0',
+        payable: true,
+        typeInfo: [],
+        byteCode: new Uint8Array([
+            169, 254, 68, 214, 68, 31, 0, 55, 0, 55, 0, 26,
+            14, 130, 17, 116, 101, 115, 116, 26, 14, 132, 17, 101,
+            99, 104, 111, 1, 3, 63, 254, 98, 168, 180, 140, 4,
+            55, 0, 7, 1, 3, 4, 151, 47, 2, 17, 68, 214,
+            68, 31, 17, 105, 110, 105, 116, 17, 98, 168, 180, 140,
+            21, 116, 101, 115, 116, 50, 130, 47, 0
+        ])
+    })
+
+    t.deepEqual(
+        serializer.deserialize(contractData),
+        contract
+    )
+})