Add NexusProvider#5
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Blockchain data provider for the Nexus API (nexus.gerowallet.io): implements IFetcher, IListener, ISubmitter and IEvaluator — address/asset/ block/tx queries, account info, protocol params & cost models, tx submission, tx evaluation, and reference-script/script-by-hash resolution. Includes src/types/nexus.ts and hermetic fetcher/evaluator tests. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Adds
NexusProvider— a blockchain data provider for the Nexus API (https://nexus.gerowallet.io), alongside the existing Blockfrost/Koios/Maestro/etc. providers.Implements
IFetcher,IListener,ISubmitterandIEvaluator:fetchAccountInfo,fetchAddressUTxOs(+ asset filter),fetchAddressTxs,fetchAddressAssetsfetchAssetAddresses,fetchAssetMetadata,fetchCollectionAssetsfetchBlockInfo/fetchLatestBlock,fetchProtocolParameters,fetchCostModelsfetchTxInfo,fetchUTxOs,fetchGovernanceProposalfetchHandle/fetchHandleAddress,fetchScriptByHashsubmitTx,evaluateTx,onTxConfirmed, genericget/postNotes
evaluateTxposts to the Nexus evaluate endpoint (Ogmios-backed server-side) and maps redeemer budgets to MeshActions.Files
src/nexus.ts,src/types/nexus.ts(+ re-exports fromsrc/index.ts/src/types/index.ts)test/nexus/fetcher.test.ts,test/nexus/evaluator.test.ts— hermetic tests (stubbed axios; no live server needed).env.example—NEXUS_API_KEY/NEXUS_API_URLVerified
tsc --noEmitclean ·tsupbuild (NexusProvider indist/index.d.ts) · 7/7 jest tests pass · prettier-clean.🤖 Generated with Claude Code