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Fix erroneous ERC721 proxy id

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This commit is contained in:
fragosti 2018-09-26 13:22:39 +02:00
parent 4ed9323804
commit 5905fdb73b
1 changed files with 3 additions and 3 deletions
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6
packages/sra-spec/src/md/introduction.md
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@ -180,7 +180,7 @@ The identifier for the Proxy uses a similar scheme to [ABI function selectors](h
```js
// ERC20 Proxy ID 0xf47261b0
bytes4(keccak256('ERC20Token(address)'));
// ERC721 Proxy ID 0x08e937fa
// ERC721 Proxy ID 0x02571792
bytes4(keccak256('ERC721Token(address,uint256)'));
```
@ -192,10 +192,10 @@ For example, encoding the ERC20 token contract (address: 0x1dc4c1cefef38a777b15a
0xf47261b00000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48
```
Encoding the ERC721 token contract (address: `0x371b13d97f4bf77d724e78c16b7dc74099f40e84`), token id (id: `99`, which hex encoded is `0x63`) and the ERC721 Transfer Proxy (id: 0x08e937fa) would be:
Encoding the ERC721 token contract (address: `0x371b13d97f4bf77d724e78c16b7dc74099f40e84`), token id (id: `99`, which hex encoded is `0x63`) and the ERC721 Transfer Proxy (id: 0x02571792) would be:
```bash
0x08e937fa000000000000000000000000371b13d97f4bf77d724e78c16b7dc74099f40e840000000000000000000000000000000000000000000000000000000000000063
0x02571792000000000000000000000000371b13d97f4bf77d724e78c16b7dc74099f40e840000000000000000000000000000000000000000000000000000000000000063
```
For more information see [the Asset Proxy](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#erc20proxy) section of the v2 spec and the [Ethereum ABI Spec](https://solidity.readthedocs.io/en/develop/abi-spec.html).