BNB Chain

Preview chain. Sauce supports transactions on Ethereum, Base, Arc and Solana, and the testnets Arc Testnet, Base Sepolia, Ethereum Sepolia, Solana Devnet and Solana Testnet only. On BNB Chain a program compiles (sauce compile) and the reads work (sauce globals, sauce price, sauce pools), and sauce simulate runs wherever the release is deployed on the chain, but the sauce command and the MCP server build and send no transaction: sauce tx, sauce run and sauce pot --deploy are refused, naming this chain and the supported chains: the last section shows the refusal and how to request this chain.

Fact	Value
Support	preview: compile and read; no transaction is built or sent
Slug (`--chain`)	`bsc`; also `bnb`, `binance-smart-chain`, `bnb-smart-chain`
Chain id	56
Kind	EVM
Name in a program	`Bsc`
In TypeScript	`import { Bsc } from "@eco-incorp/sauce"`: its tokens and protocol namespaces are properties of it
Native coin	BNB (BNB), 18 decimals
Sauce	the engine, Kitchen and Routers, at the same addresses on every EVM chain: Deployments

In a program

Compiled with --chain bsc, a program names BNB Chain’s tokens and contracts with no import; the same file compiled for another chain resolves each name there, or fails where the chain does not have it.

function main() {
  // `AaveV3.Pool` is BNB Chain's pool: `0x6807dc923806fE8Fd134338EABCA509979a7e0cB`.
  require(AaveV3.Pool != 0);
  // The same contract, qualified by the chain's name, from a program on any chain.
  require(Bsc.AaveV3.Pool == AaveV3.Pool);
}

Tokens

The registry names no token on this chain: a program uses Token(<address>).

Protocols

Every protocol the registry records here, each contract with how a program names it: its namespace contract, or its ABI imported from ./protocols/<slug>/<Export>.json and bound to the address.

Protocol	Contract	Address	In a program
Aave V3	pool	`0x6807dc923806fE8Fd134338EABCA509979a7e0cB`	`AaveV3.Pool`
Balancer V2	vault	`0xBA12222222228d8Ba445958a75a0704d566BF2C8`	`BalancerV2.Vault`
Beefy Finance	BIFI	`0xCa3F508B8e4Dd382eE878A314789373D80A5190A`	`Beefy.BIFI`
Celer Network	bridge	`0xdd90E5E87A2081Dcf0391920868eBc2FFB81a1aF`	`Celer.Bridge`
deBridge	dlnDestination	`0xE7351Fd770A37282b91D153Ee690B63579D6dd7f`	`Debridge.DlnDestination`
deBridge	dlnSource	`0xeF4fB24aD0916217251F553c0596F8Edc630EB66`	`Debridge.DlnSource`
DODO	dodoV2Proxy	`0x8F8Dd7DB1bDA5eD3da8C9daf3bfa471c12d58486`	`Dodo.DODOV2Proxy`
Gelato Network	automate	`0x2A6C106ae13B558BB9E2Ec64Bd2f1f7BEFF3A5E0`	`Gelato.Automate`
Hyperlane	mailbox	`0x2971b9Aec44bE4eb673DF1B88cDB57b96eefe8a4`	`Hyperlane.Mailbox`
KyberSwap	elasticFactory	`0x5F1dddbf348aC2fbe22a163e30F99F9ECE3DD50a`	`Kyberswap.ElasticFactory`
KyberSwap	elasticRouter	`0xC1e7dFE73E1598E3910EF4C7845B68A9Ab6F4c83`	`Kyberswap.ElasticRouter`
KyberSwap	metaAggregationRouterV2	`0x6131B5fae19EA4f9D964eAc0408E4408b66337b5`	`Kyberswap.MetaAggregationRouterV2`
KyberSwap Aggregator	metaAggregationRouter	`0x6131B5fae19EA4f9D964eAc0408E4408b66337b5`	`KyberswapAggregator.MetaAggregationRouter`
LayerZero	endpointV2	`0x1a44076050125825900e736c501f859c50fE728c`	`Layerzero.EndpointV2`
Level Finance	liquidityPool	`0xA5aBFB56a78D2BD4689b25B8A77fd49Bb0675874`	`LevelFinance.LiquidityPool`
LI.FI	lifiDiamond	`0x1231DEB6f5749EF6cE6943a275A1D3E7486F4EaE`	`Lifi.LiFiDiamond`
1inch	aggregationRouterV6	`0x111111125421cA6dc452d289314280a0f8842A65`	`Oneinch.AggregationRouterV6`
OpenOcean	exchangeV2	`0x6352a56caadC4F1E25CD6c75970Fa768A3304e64`	`Openocean.ExchangeV2`
PancakeSwap V2	factory	`0xcA143Ce32Fe78f1f7019d7d551a6402fC5350c73`	`PancakeswapV2.Factory`
PancakeSwap V2	router	`0x10ED43C718714eb63d5aA57B78B54704E256024E`	`PancakeswapV2.Router`
PancakeSwap V3	factory	`0x0BFbCF9fa4f9C56B0F40a671Ad40E0805A091865`	`PancakeswapV3.Factory`
PancakeSwap V3	nonfungiblePositionManager	`0x46A15B0b27311cedF172AB29E4f4766fbE7F4364`	`PancakeswapV3.NonfungiblePositionManager`
PancakeSwap V3	smartRouter	`0x13f4EA83D0bd40E75C8222255bc855a974568Dd4`	`PancakeswapV3.SmartRouter`
ParaSwap	augustusV5	`0xDEF171Fe48CF0115B1d80b88dc8eAB59176FEe57`	`Paraswap.AugustusV5`
ParaSwap	augustusV6	`0x6A000F20005980200259B80c5102003040001068`	`Paraswap.AugustusV6`
Permit2	permit2	`0x000000000022D473030F116dDEE9F6B43aC78BA3`	`Permit2.Permit2`
Socket	socketGateway	`0x3a23F943181408EAC424116Af7b7790c94Cb97a5`	`Socket.SocketGateway`
Squid Router	squidRouter	`0xce16F69375520ab01377ce7B88f5BA8C48F8D666`	`Squid.SquidRouter`
SushiSwap V2	factory	`0xc35DADB65012eC5796536bD9864eD8773aBc74C4`	`SushiswapV2.Factory`
SushiSwap V2	router	`0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506`	`SushiswapV2.Router`
Thena	routerV2	`0xd4ae6eCA985340Dd434D38F470aCCce4DC78D109`	`Thena.RouterV2`
Trader Joe	lbFactory	`0x8e42f2F4101563bF679975178e880FD87d3eFd4e`	`TraderJoe.LBFactory`
Trader Joe	lbRouter	`0xb4315e873dBcf96Ffd0acd8EA43f689D8c20fB30`	`TraderJoe.LBRouter`
Uniswap V2	factory	`0x8909Dc15e40173Ff4699343b6eB8132c65e18eC6`	`UniswapV2.Factory`
Uniswap V2	router	`0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24`	`UniswapV2.Router`
Uniswap V3	factory	`0xdB1d10011AD0Ff90774D0C6Bb92e5C5c8b4461F7`	`UniswapV3.Factory`
Uniswap V3	nonfungiblePositionManager	`0x7b8A01B39D58278b5DE7e48c8449c9f4F5170613`	`UniswapV3.NonfungiblePositionManager`
Uniswap V3	quoterV2	`0x78D78E420Da98ad378D7799bE8f4AF69033EB077`	`UniswapV3.QuoterV2`
Uniswap V3	swapRouter02	`0xB971eF87ede563556b2ED4b1C0b0019111Dd85d2`	`UniswapV3.SwapRouter02`
Uniswap V4	poolManager	`0x28e2Ea090877bF75740558f6BFB36A5ffeE9e9dF`	`UniswapV4.PoolManager`
Uniswap V4	positionManager	`0x7A4a5c919aE2541AeD11041A1AEeE68f1287f95b`	`UniswapV4.PositionManager`
Uniswap V4	stateView	`0xd13Dd3D6E93f276FAfc9Db9E6BB47C1180aeE0c4`	`UniswapV4.StateView`
Uniswap V4	universalRouter	`0x1906c1d672b88cD1B9aC7593301cA990F94Eae07`	`UniswapV4.UniversalRouter`
Venus	comptroller	`0xfD36E2c2a6789Db23113685031d7F16329158384`	`Venus.Comptroller`
Venus	vBNB	`0xA07c5b74C9B40447a954e1466938b865b6BBea36`	`Venus.VBNB`
0x Protocol	exchangeProxy	`0xDef1C0ded9bec7F1a1670819833240f027b25EfF`	`Zerox.ExchangeProxy`

Requesting support

On BNB Chain, sauce tx, sauce run and sauce pot --deploy exit with status 1 before they reach an endpoint or read a key. The first line sauce tx prints is:

sauce tx: building the cook transaction is refused: it involves bsc (BNB Chain, chain id 56), a preview chain. The sauce command and its MCP server build and send transactions only on Ethereum, Base, Arc and Solana, and the testnets Arc Testnet, Base Sepolia, Ethereum Sepolia, Solana Devnet and Solana Testnet. On a preview chain they build and send none. A program still compiles there and globals, price, pools and pot's prediction still read; simulate runs wherever the release is deployed on the chain, and says so where it is not.

To request BNB Chain, contact Eco through Support and community, naming the chain and its id (BNB Chain, 56) and what you want to run there.

Next steps

Chains: every other chain, with its support.
Names and registries: how a name in a program becomes an address on the chain it is compiled for.
Glossary: the words these pages use, in plain terms.

Start here

Integration guides

Language reference

SauceScript libraries

Runtime and security

Troubleshooting and production

Chains and protocols

@eco-incorp/sauce

@eco-incorp/sauce-compiler

In a program

Tokens

Protocols

Requesting support

Next steps

​In a program

​Tokens

​Protocols

​Requesting support

​Next steps

In a program

Tokens

Protocols

Requesting support

Next steps