eth_estimateDiffSize | Alchemy Docs

Returns estimated diff size and gas consumption for a potential transaction.

apiKeystringRequiredDefaults to docs-demo

This endpoint expects an object.

TransactionobjectRequired

Transaction object to simulate (same shape as eth_estimateGas).

Blockstring or enumOptional

Block number or tag at which to estimate (defaults to ‘latest’ if omitted).

Estimated gas usage and L1 diff size.

gasstringformat: "^0x([1-9a-f]+[0-9a-f]*|0)$"

Estimated gas consumption (hex quantity).

l1DiffSizestringformat: "^0x([1-9a-f]+[0-9a-f]*|0)$"

Estimated L1 diff size (hex quantity).

1	curl -X POST https://citrea-testnet.g.alchemy.com/v2/{apiKey} \
2	-H "Content-Type: application/json" \
3	-d '{
4	"jsonrpc": "2.0",
5	"method": "eth_estimateDiffSize",
6	"params": [
7	{
8	"from": "0x0452663bfc46B86aC93d8220D9847cF5220D7642",
9	"to": "0x5fbdb2315678afecb367f032d93f642f64180aa3",
10	"value": "10000"
11	}
12	],
13	"id": 1
14	}'