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https://github.com/pinax-network/substreams-erc20-transfers
https://github.com/pinax-network/substreams-erc20-transfers
Last synced: about 2 months ago
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- Host: GitHub
- URL: https://github.com/pinax-network/substreams-erc20-transfers
- Owner: pinax-network
- License: mit
- Created: 2023-11-20T15:18:14.000Z (about 1 year ago)
- Default Branch: master
- Last Pushed: 2024-06-28T21:02:37.000Z (6 months ago)
- Last Synced: 2024-06-28T22:22:51.433Z (6 months ago)
- Language: Rust
- Size: 57.6 KB
- Stars: 0
- Watchers: 6
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# ERC-20 Substreams
> Substreams for ERC-20 tokens.
## Quickstart
```
$ gh repo clone pinax-network/substreams-erc20-transfers
$ cd substreams-erc20
$ make
$ make gui
```
## Releases
- https://github.com/pinax-network/substreams-erc20-transfers/releases
## References
- [Ethereum Docs: ERC-20 Token Standard](https://ethereum.org/en/developers/docs/standards/tokens/erc-20/)
- [EIPS: ERC-20 Token Standard ](https://eips.ethereum.org/EIPS/eip-20)
- [OpenZeppelin implementation](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/9b3710465583284b8c4c5d2245749246bb2e0094/contracts/token/ERC20/ERC20.sol)
- [ConsenSys implementation](https://github.com/ConsenSys/Tokens/blob/fdf687c69d998266a95f15216b1955a4965a0a6d/contracts/eip20/EIP20.sol)
### Events
| Event | Description |
| -------------------------------------------------------------- | ------------------------------------------------------------------------- |
| [`Transfer`](https://eips.ethereum.org/EIPS/eip-20#transfer-1) | MUST trigger when tokens are transferred, including zero value transfers. |
### Mermaid Graph
```mermaid
graph TD;
map_transfers[map: map_transfers];
sf.ethereum.type.v2.Block[source: sf.ethereum.type.v2.Block] --> map_transfers;
map_transfers --> index_transfers;
graph_out[map: graph_out];
sf.substreams.v1.Clock[source: sf.substreams.v1.Clock] --> graph_out;
map_transfers --> graph_out;
db_out[map: db_out];
sf.substreams.v1.Clock[source: sf.substreams.v1.Clock] --> db_out;
map_transfers --> db_out;
```
Here is a quick link to see the graph:
https://mermaid.live/edit#pako:eJx0js9qwzAMh1_F6Jyast3c2-gbbLc6FGErTVn9B1kalJB3HySQEUaP-vHx6ZsglEjg4MZYR_N1PvlsTMJ6FcbcBuJ2SVjdfuoXqg2WZCQmTVaelezPm_14lPB9aUU5kHtN9OZw8Ho8vtNevHiXlGtRWT9vZ_-_7U-zUSefoYNEnPAewcHkQUZK5MF5iDSgPsTDDB2gSvl85gBOWKkDrRGFzne8MaZ1nH8DAAD__-8lZkw
### Modules
```yaml
Name: map_transfers
Initial block: 0
Kind: map
Input: source: sf.ethereum.type.v2.Block
Output Type: proto:erc20.types.v1.TransferEvents
Hash: 535bceb547b75a87d5fa50198a4c75aa53dbc79d
Doc: Extracts 'Transfer' events from the block
Name: index_transfers
Initial block: 0
Kind: index
Input: map: map_transfers
Output Type: proto:sf.substreams.index.v1.Keys
Hash: df6b7d955f808b4d651f2788ab23870f0c75b958
Name: graph_out
Initial block: 0
Kind: map
Input: source: sf.substreams.v1.Clock
Input: map: map_transfers
Output Type: proto:sf.substreams.sink.entity.v1.EntityChanges
Hash: b78854193ba93ab43477a658f706b0fc63b57996
Name: db_out
Initial block: 0
Kind: map
Input: source: sf.substreams.v1.Clock
Input: map: map_transfers
Block Filter: (using *index_transfers*): `&{transfers}`
Output Type: proto:sf.substreams.sink.database.v1.DatabaseChanges
Hash: baedd562d8c7f1e216d8bd3f9841f685c9e019d4
```