Use string argument encoding with new encoder

6 files changed, 36 insertions, 48 deletions

diff --git a/packages/abi-gen-templates/contract.handlebars b/packages/abi-gen-templates/contract.handlebars
index 7e7171c70..2b328e6fa 100644
--- a/packages/abi-gen-templates/contract.handlebars
+++ b/packages/abi-gen-templates/contract.handlebars
@@ -68,6 +68,7 @@ export class {{contractName}}Contract extends BaseContract {
         );
         const iface = new ethers.utils.Interface(abi);
         const deployInfo = iface.deployFunction;
+        console.log('*'.repeat(50), `\n${JSON.stringify(deployInfo)}`);
         const txData = deployInfo.encode(bytecode, [{{> params inputs=ctor.inputs}}]);
         const web3Wrapper = new Web3Wrapper(provider);
         const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index aeb90e6f7..bb806c2e5 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -41,12 +41,6 @@ export class BaseContract {
     ): any {
         return _.map(values, (value: any, i: number) => formatABIDataItem(abis[i], value, formatter));
     }
-    protected static _lowercaseAddress(type: string, value: string): string {
-        return type === 'address' ? value.toLowerCase() : value;
-    }
-    protected static _bigNumberToString(_type: string, value: any): any {
-        return _.isObject(value) && value.isBigNumber ? value.toString() : value;
-    }
     protected static _lookupConstructorAbi(abi: ContractAbi): ConstructorAbi {
         const constructorAbiIfExists = _.find(
             abi,
@@ -67,9 +61,6 @@ export class BaseContract {
             return defaultConstructorAbi;
         }
     }
-    protected static _bnToBigNumber(_type: string, value: any): any {
-        return _.isObject(value) && value._hex ? new BigNumber(value.toString()) : value;
-    }
     protected static async _applyDefaultsToTxDataAsync<T extends Partial<TxData | TxDataPayable>>(
         txData: T,
         txDefaults: Partial<TxData>,
@@ -99,11 +90,11 @@ export class BaseContract {
     // the given inputAbi. An argument may not be considered safely encodeable
     // if it overflows the corresponding Solidity type, there is a bug in the
     // encoder, or the encoder performs unsafe type coercion.
-    public static strictArgumentEncodingCheck(inputAbi: DataItem[], args: any[]): void {
-        const coder = new ethers.utils.AbiCoder();
+    public static strictArgumentEncodingCheck(inputAbi: DataItem[], args: any[]): string {
+        const abiEncoder = AbiEncoder.create(inputAbi);
         const params = abiUtils.parseEthersParams(inputAbi);
-        const rawEncoded = coder.encode(inputAbi, args);
-        const rawDecoded = coder.decode(inputAbi, rawEncoded);
+        const rawEncoded = abiEncoder.encode(args);
+        const rawDecoded = abiEncoder.decodeAsArray(rawEncoded);
         for (let i = 0; i < rawDecoded.length; i++) {
             const original = args[i];
             const decoded = rawDecoded[i];
@@ -115,7 +106,14 @@ export class BaseContract {
                 );
             }
         }
+        return rawEncoded;
     }
+       protected static _lowercaseAddress(type: string, value: string): string {
+                return type === 'address' ? value.toLowerCase() : value;
+            }
+            protected static _bigNumberToString(_type: string, value: any): any {
+                return _.isObject(value) && value.isBigNumber ? value.toString() : value;
+           }
     protected _lookupAbiEncoder(functionSignature: string): AbiEncoder.Method {
         const abiEncoder = this._abiEncoderByFunctionSignature[functionSignature];
         if (_.isUndefined(abiEncoder)) {
@@ -143,21 +141,8 @@ export class BaseContract {
         if (inputAbi === undefined) {
             throw new Error(`Undefined Method Input ABI`);
         }
-        const params = abiUtils.parseEthersParams(inputAbi);
-        const rawEncoded = abiEncoder.encode(functionArguments);
-        const rawDecoded = abiEncoder.decodeAsArray(rawEncoded);
-        for (let i = 0; i < rawDecoded.length; i++) {
-            const original = functionArguments[i];
-            const decoded = rawDecoded[i];
-            if (!abiUtils.isAbiDataEqual(params.names[i], params.types[i], original, decoded)) {
-                throw new Error(
-                    `Cannot safely encode argument: ${params.names[i]} (${original}) of type ${
-                        params.types[i]
-                    }. (Possible type overflow or other encoding error)`,
-                );
-            }
-        }
-        return rawEncoded;
+        const abiEncodedArguments = abiEncoder.encode(functionArguments);////BaseContract.strictArgumentEncodingCheck(inputAbi, functionArguments);
+        return abiEncodedArguments;
     }
     constructor(
         contractName: string,
diff --git a/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts b/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts
index 5bd6aae03..dc897d810 100644
--- a/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts
+++ b/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts
@@ -51,6 +51,12 @@ export abstract class DataType {
         return value;
     }
 
+    public decodeAsArray(returndata: string, rules?: DecodingRules): any {
+        const value = this.decode(returndata, rules);
+        const valuesAsArray = _.isObject(value) ? _.values(value) : [value];
+        return valuesAsArray;
+    }
+
     public getSignature(detailed?: boolean): string {
         if (_.isEmpty(this._dataItem.name) || !detailed) return this.getSignatureType();
         const name = this.getDataItem().name;
diff --git a/packages/utils/src/abi_encoder/evm_data_type_factory.ts b/packages/utils/src/abi_encoder/evm_data_type_factory.ts
index 5ff7366d6..fdd4f0fde 100644
--- a/packages/utils/src/abi_encoder/evm_data_type_factory.ts
+++ b/packages/utils/src/abi_encoder/evm_data_type_factory.ts
@@ -135,21 +135,23 @@ export class EvmDataTypeFactory implements DataTypeFactory {
 // Convenience function
 export function create(input: DataItem | DataItem[] | string): DataType {
     // Handle different types of input
-    let dataItems: DataItem[] = [];
-    if (typeof(input) === 'string') {
-        dataItems = generateDataItemsFromSignature(input);
-    } else if(input instanceof Array) {
-        dataItems = input as DataItem[];
+    const isSignature = typeof(input) === 'string';
+    const isTupleSignature = isSignature && (input as string).startsWith('(');
+    const parseAsTuple = isTupleSignature || _.isArray(input);
+    // Create input `dataItem`
+    let dataItem: DataItem;
+    if(parseAsTuple) {
+        const dataItems = isSignature ? generateDataItemsFromSignature(input as string) : input as DataItem[];
+        dataItem = {
+            name: '',
+            type: 'tuple',
+            components: dataItems
+        };
     } else {
-        dataItems = [input as DataItem];
+        dataItem = isSignature ? generateDataItemsFromSignature(input as string)[0] : input as DataItem;
     }
-    // Create single data item from input
-    let dataItem: DataItem = dataItems.length === 1 ? dataItems[0] : {
-        name: '',
-        type: 'tuple',
-        components: dataItems
-    };
     // Create data type
-    return EvmDataTypeFactory.getInstance().create(dataItem);
+    const dataType = EvmDataTypeFactory.getInstance().create(dataItem);
+    return dataType;
 }
 /* tslint:enable no-construct */
diff --git a/packages/utils/src/abi_encoder/evm_data_types/method.ts b/packages/utils/src/abi_encoder/evm_data_types/method.ts
index 212e2ca6b..44456cd0a 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/method.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/method.ts
@@ -35,12 +35,6 @@ export class MethodDataType extends AbstractSetDataType {
         return value;
     }
 
-    public decodeAsArray(returndata: string, rules?: DecodingRules): any {
-        const value = this.decode(returndata, rules);
-        const valuesAsArray = _.isObject(value) ? _.values(value) : [value];
-        return valuesAsArray;
-    }
-
     public encodeReturnValues(value: any, rules?: EncodingRules): string {
         const returnData = this._returnDataType.encode(value, rules);
         return returnData;
diff --git a/packages/utils/src/abi_encoder/index.ts b/packages/utils/src/abi_encoder/index.ts
index f7f1ceedc..cfacfe075 100644
--- a/packages/utils/src/abi_encoder/index.ts
+++ b/packages/utils/src/abi_encoder/index.ts
@@ -13,4 +13,4 @@ export {
     UInt,
     create,
 } from './evm_data_type_factory';
-//export { fromSignature } from './utils/signatureParser';
+export { DataType } from './abstract_data_types/data_type';