secjs-hashcode
v1.0.5
Published
Encoding for Contract Application Binary Interface (ABI), including function name and input paras, based on the rule https://solidity.readthedocs.io/en/develop/abi-spec.html
Downloads
9
Maintainers
Readme
secjs-hashcode
Encoding for Contract Application Binary Interface (ABI), including function name and input parameter values, based on the rule https://solidity.readthedocs.io/en/develop/abi-spec.html For further information in detail. Please refer to test cases and introduction in test/test.js.
[]
- HashCode
- new HashCode(sFnName, aParaValue)
- .getFnName() ⇒ String
- .getParaValue() ⇒ Array.<Dict>
- .setFnName(sFnName)
- .setParaValue(aParaValue)
- .runHashCode()
- .getHashCode() ⇒ String
- .getHashCodeFragments() ⇒ Array.<String>
- .showHashCodeFragments()
new HashCode(sFnName, aParaValue)
new HashCode(sFnName, aParaValue) Constructs an Encoder.
| Param | Type | Description | | --- | --- | --- | | sFnName | String | The function name with the parenthesised list of parameter types. Parameter types are split by a single comma - no spaces are used. e.g. "sam(bytes,bool,uint[])"| | aParaValue | Array.<Dict> | The array of input Parameter Values with its type. e.g. [{value: 'dave', type: 'bytes'}, {value: true, type: 'bool'}, {value: [1, 2, 3], type: 'uint[]'}]|
Example
const HashCode = require('../src/index')
const sFnName = 'sam(bytes,bool,uint[])'
const aParaValue = [{value: 'dave', type: 'bytes'}, {value: true, type: 'bool'}, {value: [1, 2, 3], type: 'uint[]'}]
const oHashCode = new HashCode(sFnName, aParaValue)
HashCode.getFnName() ⇒ String
Returns the current Function Name information.
Example
const sFnName = oHashCode.getFnName()
HashCode.getParaValue() ⇒ Array.<Dict>
Returns the current input parameter values information.
Example
const aParaValue = oHashCode.getParaValue()
HashCode.setFnName(sFnName)
Set the Function Name.
Example
const sFnName = 'sam(bytes,bool,uint[])'
oHashCode.setFnName(sFnName)
HashCode.setParaValue(aParaValue)
Set the input parameter values.
Example
const aParaValue = [{value: 'dave', type: 'bytes'}, {value: true, type: 'bool'}, {value: [1, 2, 3], type: 'uint[]'}]
oHashCode.setParaValue(aParaValue)
HashCode.runHashCode()
Run the encoding based on current function name information and input parameter values
Example
oHashCode.runHashCode(aParaValue)
HashCode.getHashCode() ⇒ String
Returns the endcoded Bytecode String.
Example
const sByteCode = oHashCode1.getHashCode()
/*
An example for the format of result:
"8be6524600000000000000000000000000000000000000000000000000000000000001230000000000000000000000000000000000000000000000000000000000000080313233343536373839300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000004560000000000000000000000000000000000000000000000000000000000000789000000000000000000000000000000000000000000000000000000000000000d48656c6c6f2c20776f726c642100000000000000000000000000000000000000"
*/
HashCode.getHashCodeFragments() ⇒ Array.<String>
Returns the array of encoded result of each element to have a better look and check.
Example
const aHashCodeFragments = oHashCode1.getHashCodeFragments()
/*
An example for the format of result:
["8be65246",
"0000000000000000000000000000000000000000000000000000000000000123",
"0000000000000000000000000000000000000000000000000000000000000080",
"3132333435363738393000000000000000000000000000000000000000000000",
"00000000000000000000000000000000000000000000000000000000000000e0",
"0000000000000000000000000000000000000000000000000000000000000002",
"0000000000000000000000000000000000000000000000000000000000000456",
"0000000000000000000000000000000000000000000000000000000000000789",
"000000000000000000000000000000000000000000000000000000000000000d",
"48656c6c6f2c20776f726c642100000000000000000000000000000000000000"]
*/
HashCode.getHashCodeFragments() ⇒ Array.<String>
Show the encoded result of each element row by row in console to have a better look and check.
Example
oHashCode1.showHashCodeFragments()
/*
An example for the console output:
8be65246
0000000000000000000000000000000000000000000000000000000000000123
0000000000000000000000000000000000000000000000000000000000000080
3132333435363738393000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000e0
0000000000000000000000000000000000000000000000000000000000000002
0000000000000000000000000000000000000000000000000000000000000456
0000000000000000000000000000000000000000000000000000000000000789
000000000000000000000000000000000000000000000000000000000000000d
48656c6c6f2c20776f726c642100000000000000000000000000000000000000
*/