arcadia/app/scripts/controllers/contractsCtrl.js

'use strict';
var contractsCtrl = function($scope, $sce, walletService) {
    $scope.ajaxReq = ajaxReq;
    walletService.wallet = null;
    $scope.visibility = "interactView";
    $scope.sendContractModal = new Modal(document.getElementById('sendContract'));
    $scope.showReadWrite = false;
    $scope.sendTxModal = new Modal(document.getElementById('deployContract'));
    $scope.Validator = Validator;
    $scope.tx = {
        gasLimit: '',
        data: '',
        to: '',
        unit: "ether",
        value: 0,
        nonce: null,
        gasPrice: null
    }
    $scope.contract = {
        address: globalFuncs.urlGet('address') != null && $scope.Validator.isValidAddress(globalFuncs.urlGet('address')) ? globalFuncs.urlGet('address') : '',
        abi: '',
        functions: [],
        selectedFunc: null
    }
    $scope.selectedAbi = ajaxReq.abiList[0];
    $scope.showRaw = false;
    $scope.$watch(function() {
        if (walletService.wallet == null) return null;
        return walletService.wallet.getAddressString();
    }, function() {
        if (walletService.wallet == null) return;
        $scope.wallet = walletService.wallet;
        $scope.wd = true;
        $scope.tx.nonce = 0;

    });
    $scope.$watch('visibility', function(newValue, oldValue) {
        $scope.tx = {
            gasLimit: '',
            data: '',
            to: '',
            unit: "ether",
            value: 0,
            nonce: null,
            gasPrice: null
        }

    });
    $scope.$watch('tx', function(newValue, oldValue) {
        $scope.showRaw = false;
        if (newValue.gasLimit == oldValue.gasLimit && $scope.Validator.isValidHex($scope.tx.data) && $scope.tx.data != '' && $scope.Validator.isPositiveNumber($scope.tx.value)) {
            if ($scope.estimateTimer) clearTimeout($scope.estimateTimer);
            $scope.estimateTimer = setTimeout(function() {
                $scope.estimateGasLimit();
            }, 500);
        }
    }, true);
    $scope.$watch('contract.address', function(newValue, oldValue) {
        if ($scope.Validator.isValidAddress($scope.contract.address)) {
            for (var i in ajaxReq.abiList) {
                if (ajaxReq.abiList[i].address.toLowerCase() == $scope.contract.address.toLowerCase()) {
                    $scope.contract.abi = ajaxReq.abiList[i].abi;
                    break;
                }
            }
        }
    });
    $scope.selectExistingAbi = function(index) {
        $scope.selectedAbi = ajaxReq.abiList[index];
        $scope.contract.address = $scope.selectedAbi.address;
        $scope.dropdownExistingContracts = false;
    }
    $scope.estimateGasLimit = function() {
        var estObj = {
            from: $scope.wallet != null ? $scope.wallet.getAddressString() : globalFuncs.donateAddress,
            value: ethFuncs.sanitizeHex(ethFuncs.decimalToHex(etherUnits.toWei($scope.tx.value, $scope.tx.unit))),
            data: ethFuncs.sanitizeHex($scope.tx.data),
        }
        if ($scope.tx.to != '') estObj.to = $scope.tx.to;
        ethFuncs.estimateGas(estObj, function(data) {
            if (!data.error) $scope.tx.gasLimit = data.data;
        });
    }
    $scope.generateTx = function() {
        try {
            if ($scope.wallet == null) throw globalFuncs.errorMsgs[3];
            else if (!ethFuncs.validateHexString($scope.tx.data)) throw globalFuncs.errorMsgs[9];
            else if (!globalFuncs.isNumeric($scope.tx.gasLimit) || parseFloat($scope.tx.gasLimit) <= 0) throw globalFuncs.errorMsgs[8];
            $scope.tx.data = ethFuncs.sanitizeHex($scope.tx.data);
            ajaxReq.getTransactionData($scope.wallet.getAddressString(), function(data) {
                if (data.error) $scope.notifier.danger(data.msg);
                data = data.data;
                $scope.tx.to = $scope.tx.to == '' ? '0xCONTRACT' : $scope.tx.to;
                $scope.tx.contractAddr = $scope.tx.to == '0xCONTRACT' ? ethFuncs.getDeteministicContractAddress($scope.wallet.getAddressString(), data.nonce) : '';
                var txData = uiFuncs.getTxData($scope);
                uiFuncs.generateTx(txData, function(rawTx) {
                    if (!rawTx.isError) {
                        $scope.rawTx = rawTx.rawTx;
                        $scope.signedTx = rawTx.signedTx;

                        $scope.showRaw = true;
                    } else {
                        $scope.showRaw = false;
                        $scope.notifier.danger(rawTx.error);
                    }
                    if (!$scope.$$phase) $scope.$apply();
                });
            });
        } catch (e) {
            $scope.notifier.danger(e);
        }
    }
    $scope.sendTx = function() {
        $scope.sendTxModal.close();
        $scope.sendContractModal.close();
        uiFuncs.sendTx($scope.signedTx, function(resp) {
            if (!resp.isError) {
                var bExStr = $scope.ajaxReq.type != nodes.nodeTypes.Custom ? "<a href='" + $scope.ajaxReq.blockExplorerTX.replace("[[txHash]]", resp.data) + "' target='_blank' rel='noopener'> View your transaction </a>" : '';
                var contractAddr = $scope.tx.contractAddr != '' ? " & Contract Address <a href='" + ajaxReq.blockExplorerAddr.replace('[[address]]', $scope.tx.contractAddr) + "' target='_blank' rel='noopener'>" + $scope.tx.contractAddr + "</a>" : '';
                $scope.notifier.success(globalFuncs.successMsgs[2] + "<br />" + resp.data + "<br />" + bExStr + contractAddr);
            } else {
                $scope.notifier.danger(resp.error);
            }
        });
    }
    $scope.setVisibility = function(str) {
        $scope.visibility = str;
    }
    $scope.selectFunc = function(index) {
        $scope.contract.selectedFunc = { name: $scope.contract.functions[index].name, index: index };
        if (!$scope.contract.functions[index].inputs.length) {
            $scope.readFromContract();
            $scope.showRead = false;
        } else $scope.showRead = true;
        $scope.dropdownContracts = !$scope.dropdownContracts;
    }
    $scope.getTxData = function() {
        var curFunc = $scope.contract.functions[$scope.contract.selectedFunc.index];
        var fullFuncName = ethUtil.solidityUtils.transformToFullName(curFunc);
        var funcSig = ethFuncs.getFunctionSignature(fullFuncName);
        var typeName = ethUtil.solidityUtils.extractTypeName(fullFuncName);
        var types = typeName.split(',');
        types = types[0] == "" ? [] : types;
        var values = [];
        for (var i in curFunc.inputs) {
            if (curFunc.inputs[i].value) {
                if (curFunc.inputs[i].type.indexOf('[') !== -1 && curFunc.inputs[i].type.indexOf(']') !== -1) values.push(curFunc.inputs[i].value.split(','));
                else values.push(curFunc.inputs[i].value);
            } else values.push('');
        }
        return '0x' + funcSig + ethUtil.solidityCoder.encodeParams(types, values);
    }
    $scope.readFromContract = function() {
        ajaxReq.getEthCall({ to: $scope.contract.address, data: $scope.getTxData() }, function(data) {
            if (!data.error) {
                var curFunc = $scope.contract.functions[$scope.contract.selectedFunc.index];
                var outTypes = curFunc.outputs.map(function(i) {
                    return i.type;
                });
                var decoded = ethUtil.solidityCoder.decodeParams(outTypes, data.data.replace('0x', ''));
                for (var i in decoded) {
                    if (decoded[i] instanceof BigNumber) curFunc.outputs[i].value = decoded[i].toFixed(0);
                    else curFunc.outputs[i].value = decoded[i];
                }
            } else throw data.msg;

        });
    }
    $scope.initContract = function() {
        try {
            if (!$scope.Validator.isValidAddress($scope.contract.address)) throw globalFuncs.errorMsgs[5];
            else if (!$scope.Validator.isJSON($scope.contract.abi)) throw globalFuncs.errorMsgs[26];
            $scope.contract.functions = [];
            var tAbi = JSON.parse($scope.contract.abi);
            for (var i in tAbi)
                if (tAbi[i].type == "function") {
                    tAbi[i].inputs.map(function(i) { i.value = ''; });
                    $scope.contract.functions.push(tAbi[i]);
                }
            $scope.showReadWrite = true;

        } catch (e) {
            $scope.notifier.danger(e);
        }
    }
    $scope.generateContractTx = function() {
        if (!$scope.wd) {
            $scope.notifier.danger(globalFuncs.errorMsgs[3]);
            return;
        }
        $scope.tx.data = $scope.getTxData();
        $scope.tx.to = $scope.contract.address;
        $scope.sendContractModal.open();
    }
}
module.exports = contractsCtrl;