Network & assets

Constants the facilitator and any compatible client must agree on.

Chain

CAIP-2	cosmos:gonka-mainnet
Chain ID	gonka-mainnet
Address prefix	gonka
Explorer	gonka.gg — tx URL `https://gonka.gg/tx/{hash}`

Display	GNK
On-chain denom	ngonka
Decimals	9 — `1 GNK = 1_000_000_000 ngonka`
Message	/cosmos.bank.v1beta1.MsgSend
Fee	Facilitator-built txs use `0ngonka` fee and gas limit 120000.

Display	USD Coin (bridged from Ethereum)
CW-20	gonka1fa83z7np903k9vh63guy82qthtv373d7vjeq0y7xeqh50rzn8vtssffkre
Ethereum origin	0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48
Decimals	6 — `1 USDC = 1_000_000` atomic
Message	/cosmwasm.wasm.v1.MsgExecuteContract
Execute JSON	{"transfer":{"recipient":"gonka1…","amount":"…"}}

Bridge USDC onto Gonka through the official Ethereum bridge. Keplr does not show CW-20 balances until you add the contract as a custom token.

The facilitator uses the public gateway. No API key. Paths it calls:

Balances	GET /chain-api/cosmos/bank/v1beta1/balances/{address}
Account	GET /chain-api/cosmos/auth/v1beta1/accounts/{address}
CW-20 query	GET /chain-api/cosmwasm/wasm/v1/contract/{contract}/smart/{base64}
Broadcast	POST /chain-api/cosmos/tx/v1beta1/txs
Tx by hash	GET /chain-api/cosmos/tx/v1beta1/txs/{hash}

Docs for the gateway: rpc.gonka.gg/endpoints.