README.md

Chainlink External Adapter for Onchain-gas

This adapter calculates the gas price by querying on-chain data. The response will contain an array that represents the median gas prices of the latest blocks sorted from the latest to oldest.

Environment Variables

Required?	Name	Description	Options	Defaults to
✅	ETHEREUM_WS_RPC_URL	The WebSocket RPC URL for the chain's node
✅	ETHEREUM_RPC_URL	The HTTP RPC URL for the chain's node

---

Input Parameters

N/A

---

Onchain-gas Endpoint

Input Params

Required?	Name	Description	Options	Defaults to
	numBlocks	The number of blocks to use to determine the gas price.		1
	blockIdx	The index of the block used for the result field in the response		0

Sample Input

{
  "id": "1",
  "data": {
    "numBlocks": 1
  }
}

Sample Output

{
  "jobRunID": "1",
  "result": 101768070829,
  "maxAge": 30000,
  "debug": {
    "cacheHit": true,
    "staleness": 0.836,
    "performance": 0.001656449,
    "providerCost": 0
  },
  "statusCode": 200,
  "data": {
    "values": [101768070829],
    "result": 101768070829
  }
}

Sample Input

{
  "id": "1",
  "data": {
    "numBlocks": 2,
    "blockIdx": 1
  }
}

Sample Output

{
  "jobRunID": "1",
  "result": 101698073721,
  "maxAge": 30000,
  "debug": {
    "cacheHit": true,
    "staleness": 0.836,
    "performance": 0.001656449,
    "providerCost": 0
  },
  "statusCode": 200,
  "data": {
    "result": 101698073721,
    "values": [101768070829, 101698073721]
  }
}