Merge pull request onflow#5024 from m-Peter/abi-encoding-decoding

Add `EVM` methods for `encodeABI` & `decodeABI`
dapperlabs · Dec 13, 2023 · ba6f0ff · ba6f0ff
2 parents 00b49e3 + 5b16ed6
commit ba6f0ff
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Showing 4 changed files with 2,292 additions and 10 deletions.
diff --git a/fvm/environment/meter.go b/fvm/environment/meter.go
@@ -52,6 +52,9 @@ const (
 	ComputationKindRLPEncoding                = 2038
 	ComputationKindRLPDecoding                = 2039
 	ComputationKindEncodeEvent                = 2040
+	_                                         = 2041
+	ComputationKindEVMEncodeABI               = 2042
+	ComputationKindEVMDecodeABI               = 2042
 )
 
 type Meter interface {

diff --git a/fvm/evm/stdlib/contract.cdc b/fvm/evm/stdlib/contract.cdc
@@ -147,4 +147,14 @@ contract EVM {
     fun run(tx: [UInt8], coinbase: EVMAddress) {
         InternalEVM.run(tx: tx, coinbase: coinbase.bytes)
     }
+
+    access(all)
+    fun encodeABI(_ values: [AnyStruct]): [UInt8] {
+        return InternalEVM.encodeABI(values)
+    }
+
+    access(all)
+    fun decodeABI(types: [Type], data: [UInt8]): [AnyStruct] {
+        return InternalEVM.decodeABI(types: types, data: data)
+    }
 }