Aqua Ethereum Gateway
Gateway represents access to different Ethereum API providers (infura, alchemy). It can be used with Web3 client and load balancing requests between different providers.
Installation
npm install -g @fluencelabs/aqua-eth-gateway
Example
aqua-eth-gateway path/to/config.json
where config is:
{
"providers": [
"https://goerli.infura.io/v3/your-api-key",
"https://eth-goerli.g.alchemy.com/v2/your-api-key"
],
"mode": "random",
"relay": "fluence/peer/address",
"serviceId": "eth-rpc serviceId",
"port": 3000,
"counterServiceId": null,
"counterPeerId": null,
"quorumServiceId": null,
"quorumPeerId": null,
"quorumNumber": null,
"quorumTimeout": null,
"requestTimeout": null
}
counterServiceId and counterPeerId is credentials to counter service for round-robin mode. Will be used local counter if undefined.
quorumServiceId and quorumPeerId is credentials to counter service for round-robin mode. Will be used local counter if undefined.
quorumNumber is 2 by default.
quorumTimeout is how long we will wait for all responses
requestTimeout is how long we will wait for aqua request
Mode
random - choose providers randomly
round-robin - choose providers in circle order
quorum - call all providers and choose the result that is the same from >= quorumNumber providers. Or return an error.