eth_submitWork | Alchemy Docs

Submit a proof-of-work solution (Ethash) consisting of a nonce, the header PoW hash, and the mix digest. Not supported on post-Merge Ethereum clients; many nodes will return JSON-RPC error -32601 (method not found).

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.

noncestringRequiredformat: "^0x[0-9a-f]{16}$"

The 8-byte nonce found by the miner.

hashstringRequiredformat: "^0x[0-9a-f]{64}$"

The block header’s PoW hash (32-byte).

digeststringRequiredformat: "^0x[0-9a-f]{64}$"

The mix digest (32-byte).

Response

Returns true if the provided solution is valid, otherwise false.

1	curl -X POST https://eth-mainnet.g.alchemy.com/v2/{apiKey} \
2	-H "Content-Type: application/json" \
3	-d '{
4	"jsonrpc": "2.0",
5	"method": "eth_submitWork",
6	"params": [
7	"0x0000000000000001",
8	"0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef",
9	"0xd1fe5700000000000000000000000000d1fe5700000000000000000000000000"
10	],
11	"id": 1
12	}'