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Cross-chain gas limits #727

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Cross-chain gas limits #727

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2 changes: 1 addition & 1 deletion src/pages/developers/evm/_meta.json
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Expand Up @@ -12,7 +12,7 @@
"description": "Enables message passing and ZETA transfer to and from universal apps"
},
"gas": {
"title": "Gas Fees",
"title": "Gas Fees & Limits",
"description": "Learn about ZRC-20 withdraw fees, message passing fees"
},
"cctx": {
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21 changes: 18 additions & 3 deletions src/pages/developers/evm/gas.mdx
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@@ -1,5 +1,5 @@
---
title: Gas Fees
title: Gas
---

import { Fees } from "~/components/Docs";
Expand Down Expand Up @@ -66,9 +66,24 @@ the destination chain.

<Fees />

To calculate fees for a different gas limit, please, check out use the `query
fees` command:
To calculate fees for a different gas limit, please, check out use the `query fees` command:

```
npx zetachain query fees
```

## Gas Limits

Gas limits set the upper bound for how much computation a cross-chain
transaction can use. They’re defined per direction (incoming or outgoing) to
make sure calls have enough room to execute reliably. The values may change as
the network evolves.

| Direction | Gas Limit | Notes |
| ------------------------ | --------- | ----------------------------------------------------------------------------------------------------- |
| Incoming To ZetaChain | 1.6M | [API](https://zetachain-athens.blockpi.network/lcd/v1/public/zeta-chain/fungible/system_contract) |
| Outgoing to EVM | 2.5M | [Source](https://github.com/zeta-chain/node/blob/835341df/zetaclient/chains/evm/signer/gas.go) |
| Outgoing to EVM (revert) | 2M | [Source](https://github.com/zeta-chain/protocol-contracts/blob/main/contracts/Revert.sol) |
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@lumtis lumtis Sep 15, 2025

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These values are not correct, users choose the fees and pay for it. But the default values are not the same neither.

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@fadeev fadeev Sep 15, 2025

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Yes, I know that users specify gas limits, we can rename these as "max gas limits" or something to specify that this is the max amount you can set (but you can set less).

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@fadeev fadeev Sep 26, 2025

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@lumtis how can we fix this table to provide up-to-date max gas limit values?

| Outgoing to TON | 1M | [Source](https://github.com/zeta-chain/node/blob/835341df/zetaclient/chains/ton/observer/outbound.go) |
| Outgoing to Sui | 50B | [Source](https://github.com/zeta-chain/node/blob/835341df/zetaclient/chains/ton/observer/outbound.go) |
| Outgoing to Solana | 1.6M | [Source](https://github.com/zeta-chain/node/blob/835341df/zetaclient/chains/solana/signer/signer.go) |