provider.getBlock('pending') throws error 'invalid hash'

[mjpowersjr]

Describe the bug
When attempting to fetch the current pending block, ethers result validation rules seem to get tripped up for the current pending block. I've tried this with a few different providers with the same result.

Reproduction steps

provider.getBlock('pending')

"failed to meet quorum (method=\"getBlock\", params={\"includeTransactions\":false,\"blockTag\":\"pending\"}, results=[{\"weight\":1,\"start\":1635252825001,\"error\":{\"reason\":\"invalid hash\",\"code\":\"INVALID_ARGUMENT\",\"argument\":\"value\",\"value\":null,\"checkKey\":\"hash\",\"checkValue\":null}},{\"weight\":1,\"start\":1635252825001,\"error\":{\"reason\":\"invalid hash\",\"code\":\"INVALID_ARGUMENT\",\"argument\":\"value\",\"value\":null,\"checkKey\":\"hash\",\"checkValue\":null}},{\"weight\":1,\"start\":1635252827001,\"error\":{\"reason\":\"invalid hash\",\"code\":\"INVALID_ARGUMENT\",\"argument\":\"value\",\"value\":null,\"checkKey\":\"hash\",\"checkValue\":null}},{\"weight\":1,\"start\":1635252827001,\"error\":{\"reason\":\"invalid hash\",\"code\":\"INVALID_ARGUMENT\",\"argument\":\"value\",\"value\":null,\"checkKey\":\"hash\",\"checkValue\":null}},{\"weight\":1,\"start\":1635252829001,\"error\":{\"reason\":\"invalid hash\",\"code\":\"INVALID_ARGUMENT\",\"argument\":\"value\",\"value\":null,\"checkKey\":\"hash\",\"checkValue\":null}}], provider={\"_isProvider\":true,\"_events\":[],\"_emitted\":{\"block\":-2},\"formatter\":{\"formats\":{\"transaction\":{},\"transactionRequest\":{},\"receiptLog\":{},\"receipt\":{},\"block\":{},\"blockWithTransactions\":{},\"filter\":{},\"filterLog\":{}}},\"anyNetwork\":false,\"_network\":{\"name\":\"homestead\",\"chainId\":1,\"ensAddress\":\"0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e\"},\"_maxInternalBlockNumber\":13493120,\"_lastBlockNumber\":-2,\"_pollingInterval\":4000,\"_fastQueryDate\":1635252825000,\"providerConfigs\":[{\"provider\":{\"_isProvider\":true,\"_events\":[],\"_emitted\":{\"block\":-2},\"formatter\":{\"formats\":{\"transaction\":{},\"transactionRequest\":{},\"receiptLog\":{},\"receipt\":{},\"block\":{},\"blockWithTransactions\":{},\"filter\":{},\"filterLog\":{}}},\"anyNetwork\":false,\"_network\":{\"name\":\"homestead\",\"chainId\":1,\"ensAddress\":\"0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e\"},\"_maxInternalBlockNumber\":-1024,\"_lastBlockNumber\":-2,\"_pollingInterval\":4000,\"_fastQueryDate\":0,\"connection\":{\"allowGzip\":true,\"url\":\"https://mainnet.infura.io/v3/84842078b09946638c03157f83405213\"},\"_nextId\":43,\"apiKey\":\"84842078b09946638c03157f83405213\",\"projectId\":\"84842078b09946638c03157f83405213\",\"projectSecret\":null},\"weight\":1,\"stallTimeout\":2000,\"priority\":1},{\"provider\":{\"_isProvider\":true,\"_events\":[],\"_emitted\":{\"block\":-2},\"formatter\":{\"formats\":{\"transaction\":{},\"transactionRequest\":{},\"receiptLog\":{},\"receipt\":{},\"block\":{},\"blockWithTransactions\":{},\"filter\":{},\"filterLog\":{}}},\"anyNetwork\":false,\"_network\":{\"name\":\"homestead\",\"chainId\":1,\"ensAddress\":\"0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e\"},\"_maxInternalBlockNumber\":13493120,\"_lastBlockNumber\":-2,\"_pollingInterval\":4000,\"_fastQueryDate\":1635252824903,\"baseUrl\":\"https://api.etherscan.io\",\"apiKey\":\"9D13ZE7XSBTJ94N9BNJ2MA33VMAY2YPIRB\",\"_internalBlockNumber\":{},\"_fastBlockNumber\":13493120,\"_fastBlockNumberPromise\":{}},\"weight\":1,\"stallTimeout\":2000,\"priority\":1},{\"provider\":{\"_isProvider\":true,\"_events\":[],\"_emitted\":{\"block\":-2},\"formatter\":{\"formats\":{\"transaction\":{},\"transactionRequest\":{},\"receiptLog\":{},\"receipt\":{},\"block\":{},\"blockWithTransactions\":{},\"filter\":{},\"filterLog\":{}}},\"anyNetwork\":false,\"_network\":{\"name\":\"homestead\",\"chainId\":1,\"ensAddress\":\"0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e\"},\"_maxInternalBlockNumber\":-1024,\"_lastBlockNumber\":-2,\"_pollingInterval\":4000,\"_fastQueryDate\":0,\"connection\":{\"allowGzip\":true,\"url\":\"https://eth-mainnet.alchemyapi.io/v2/_gg7wSSi0KMBsdKnGVfHDueq6xMB9EkC\"},\"_nextId\":43,\"apiKey\":\"_gg7wSSi0KMBsdKnGVfHDueq6xMB9EkC\"},\"weight\":1,\"stallTimeout\":2000,\"priority\":1},{\"provider\":{\"_isProvider\":true,\"_events\":[],\"_emitted\":{\"block\":-2},\"formatter\":{\"formats\":{\"transaction\":{},\"transactionRequest\":{},\"receiptLog\":{},\"receipt\":{},\"block\":{},\"blockWithTransactions\":{},\"filter\":{},\"filterLog\":{}}},\"anyNetwork\":false,\"_network\":{\"name\":\"homestead\",\"chainId\":1,\"ensAddress\":\"0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e\"},\"_maxInternalBlockNumber\":13493120,\"_lastBlockNumber\":-2,\"_pollingInterval\":4000,\"_fastQueryDate\":1635252825000,\"connection\":{\"url\":\"https://eth-mainnet.gateway.pokt.network/v1/lb/6004bcd10040261633ade990\",\"headers\":{}},\"_nextId\":44,\"applicationId\":\"6004bcd10040261633ade990\",\"loadBalancer\":true,\"applicationSecretKey\":null,\"_eventLoopCache\":{\"eth_blockNumber\":null},\"_internalBlockNumber\":{},\"_fastBlockNumber\":13493120,\"_fastBlockNumberPromise\":{}},\"weight\":1,\"stallTimeout\":2000,\"priority\":1},{\"provider\":{\"_isProvider\":true,\"_events\":[],\"_emitted\":{\"block\":-2},\"formatter\":{\"formats\":{\"transaction\":{},\"transactionRequest\":{},\"receiptLog\":{},\"receipt\":{},\"block\":{},\"blockWithTransactions\":{},\"filter\":{},\"filterLog\":{}}},\"anyNetwork\":false,\"_network\":{\"name\":\"homestead\",\"chainId\":1,\"ensAddress\":\"0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e\"},\"_maxInternalBlockNumber\":-1024,\"_lastBlockNumber\":-2,\"_pollingInterval\":4000,\"_fastQueryDate\":0,\"connection\":{\"url\":\"https://cloudflare-eth.com/\"},\"_nextId\":43},\"weight\":1,\"stallTimeout\":750,\"priority\":1}],\"quorum\":2,\"_highestBlockNumber\":13493120,\"_internalBlockNumber\":{},\"_fastBlockNumber\":13493120,\"_fastBlockNumberPromise\":{}}, code=SERVER_ERROR, version=providers/5.4.5)"

Environment:
This can be reproduced in the online playground & Node.js environments.

[zemse]

Can be reproduced with:

await new providers.InfuraProvider().getBlock('pending');

The hash field from the JSON RPC is null for a pending block

[coffee-git]

same here

hash and miner fields can be null in pending block, just add for them Formatter.allowNull in formatter.ts getDefaultFormats

#2023

[ricmoo]

This should now be supported in v5.6.

Please try it out and let me know if you still have any problems. :)

[ricmoo]

This was added, so I'll close it. Please re-open or create a new issue if there are any problems.

Thanks! :)