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return values are now objects with named return values

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Fabian Vogelsteller 2017-03-17 11:22:05 +01:00
parent fe47e80d4e
commit a6f804b15b
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2 changed files with 17 additions and 18 deletions
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15
docs/web3-eth-contract.rst
View File

@ -454,12 +454,11 @@ Example
}); });
// MULTI RETURN: // MULTI-ARGUMENT RETURN:
// Solidity // Solidity
contract MyContract { contract MyContract {
function myFunction() returns(uint256 myNumber, string myString) { function myFunction() returns(uint256 myNumber, string myString) {
return (23456, "Hello!%"); return (23456, "Hello!%");
} }
} }
@ -467,8 +466,7 @@ Example
// web3.js // web3.js
var MyContract = new web3.eth.contract(abi, address); var MyContract = new web3.eth.contract(abi, address);
MyContract.methods.myFunction().call() MyContract.methods.myFunction().call()
.then(function(result){ .then(console.log);
console.log(result);
> { > {
myNumber: '23456', myNumber: '23456',
myString: 'Hello!%', myString: 'Hello!%',
@ -476,14 +474,12 @@ Example
1: 'Hello!%' 1: 'Hello!%'
} }
});
// SINGLE RETURN: // SINGLE-ARGUMENT RETURN:
// Solidity // Solidity
contract MyContract { contract MyContract {
function myFunction() returns(string myString) { function myFunction() returns(string myString) {
return "Hello!%"; return "Hello!%";
} }
} }
@ -491,12 +487,9 @@ Example
// web3.js // web3.js
var MyContract = new web3.eth.contract(abi, address); var MyContract = new web3.eth.contract(abi, address);
MyContract.methods.myFunction().call() MyContract.methods.myFunction().call()
.then(function(result){ .then(console.log);
console.log(result);
> "Hello!%" > "Hello!%"
});
------------------------------------------------------------------------------ ------------------------------------------------------------------------------

6
docs/web3-utils.rst
View File

@ -248,9 +248,11 @@ Example
// auto detects: uint256, bytes, bool, int256 // auto detects: uint256, bytes, bool, int256
> "0x3e27a893dc40ef8a7f0841d96639de2f58a132be5ae466d40087a2cfa83b7179" > "0x3e27a893dc40ef8a7f0841d96639de2f58a132be5ae466d40087a2cfa83b7179"
web3.utils.soliditySha3('Hello!%'); // auto detects: string web3.utils.soliditySha3('Hello!%'); // auto detects: string
> "0x661136a4267dba9ccdf6bfddb7c00e714de936674c4bdb065a531cf1cb15c7fc" > "0x661136a4267dba9ccdf6bfddb7c00e714de936674c4bdb065a531cf1cb15c7fc"
web3.utils.soliditySha3('234'); // auto detects: uint256 web3.utils.soliditySha3('234'); // auto detects: uint256
> "0x61c831beab28d67d1bb40b5ae1a11e2757fa842f031a2d0bc94a7867bc5d26c2" > "0x61c831beab28d67d1bb40b5ae1a11e2757fa842f031a2d0bc94a7867bc5d26c2"
@ -266,18 +268,22 @@ Example
web3.utils.soliditySha3({t: 'uint', v: new BN('234')})); // same as above web3.utils.soliditySha3({t: 'uint', v: new BN('234')})); // same as above
> "0x61c831beab28d67d1bb40b5ae1a11e2757fa842f031a2d0bc94a7867bc5d26c2" > "0x61c831beab28d67d1bb40b5ae1a11e2757fa842f031a2d0bc94a7867bc5d26c2"
web3.utils.soliditySha3('0x407D73d8a49eeb85D32Cf465507dd71d507100c1'); web3.utils.soliditySha3('0x407D73d8a49eeb85D32Cf465507dd71d507100c1');
> "0x4e8ebbefa452077428f93c9520d3edd60594ff452a29ac7d2ccc11d47f3ab95b" > "0x4e8ebbefa452077428f93c9520d3edd60594ff452a29ac7d2ccc11d47f3ab95b"
web3.utils.soliditySha3({t: 'bytes', v: '0x407D73d8a49eeb85D32Cf465507dd71d507100c1'}); web3.utils.soliditySha3({t: 'bytes', v: '0x407D73d8a49eeb85D32Cf465507dd71d507100c1'});
> "0x4e8ebbefa452077428f93c9520d3edd60594ff452a29ac7d2ccc11d47f3ab95b" // same result as above > "0x4e8ebbefa452077428f93c9520d3edd60594ff452a29ac7d2ccc11d47f3ab95b" // same result as above
web3.utils.soliditySha3({t: 'address', v: '0x407D73d8a49eeb85D32Cf465507dd71d507100c1'}); web3.utils.soliditySha3({t: 'address', v: '0x407D73d8a49eeb85D32Cf465507dd71d507100c1'});
> "0x4e8ebbefa452077428f93c9520d3edd60594ff452a29ac7d2ccc11d47f3ab95b" // same as above, but will do a checksum check, if its multi case > "0x4e8ebbefa452077428f93c9520d3edd60594ff452a29ac7d2ccc11d47f3ab95b" // same as above, but will do a checksum check, if its multi case
web3.utils.soliditySha3({t: 'bytes32', v: '0x407D73d8a49eeb85D32Cf465507dd71d507100c1'}); web3.utils.soliditySha3({t: 'bytes32', v: '0x407D73d8a49eeb85D32Cf465507dd71d507100c1'});
> "0x3c69a194aaf415ba5d6afca734660d0a3d45acdc05d54cd1ca89a8988e7625b4" // different result as above > "0x3c69a194aaf415ba5d6afca734660d0a3d45acdc05d54cd1ca89a8988e7625b4" // different result as above
web3.utils.soliditySha3({t: 'string', v: 'Hello!%'}, {t: 'int8', v:-23}, {t: 'address', v: '0x85F43D8a49eeB85d32Cf465507DD71d507100C1d'}); web3.utils.soliditySha3({t: 'string', v: 'Hello!%'}, {t: 'int8', v:-23}, {t: 'address', v: '0x85F43D8a49eeB85d32Cf465507DD71d507100C1d'});
> "0xa13b31627c1ed7aaded5aecec71baf02fe123797fffd45e662eac8e06fbe4955" > "0xa13b31627c1ed7aaded5aecec71baf02fe123797fffd45e662eac8e06fbe4955"