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banano-nft-crawler

v2.1.1

Published

a year ago

Library for crawling across the Banano ledger to trace NFTs.

Downloads

42

0High
0Medium
0Low

banano-nft-crawler

Library for crawling across the Banano ledger to trace NFTs.

SupplyBlocksCrawler

Crawls an account to find supply blocks.

MintBlocksCrawler

Crawls an account to find mint blocks for a specific supply block.

AssetCrawler

Crawls through several accounts if required to trace a single NFT from the mint block.

TODO

~~Move this library and dependencies from GitHub to https://npmjs.com/~~
~~Generate a pure js build~~
Set module.exports in index.ts
Support asset caching and continuing from the cache instead of tracing all the way from the mint block every time.
Add usage examples

Naming conventions

From the Nano RPC, the account field is the recipient for send blocks.

For the banano-nft-crawler lib, in an IAssetBlock, the account field is used mark which account to mark which account to continue crawling in.

owner and account has different values in a send#atomic_swap block. The seller is the owner of the NFT until the buyer account sends the payment.

head or crawlHead usually refers to the latest block checked while crawling even if it isn't an IAssetBlock.

frontier in the context of the crawlers refer to the latest IAssetBlock that can be behind the head.

See also

These crawlers are extracted from:

https://github.com/Airtune/banano-metanode-nft-ts

Banano NFT protocol specification:

https://github.com/Airtune/73-meta-tokens