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Increase and document the MaxGas limit #193

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Jul 15, 2020
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Increase and document the MaxGas limit #193

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6 changes: 4 additions & 2 deletions x/wasm/internal/keeper/keeper.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,10 @@ import (
// Rough timing have 88k gas at 90us, which is equal to 1k sdk gas... (one read)
const GasMultiplier = 100

// MaxGas for a contract is 900 million (enforced in rust)
const MaxGas = 900_000_000
// MaxGas for a contract is 10 billion wasmer gas (enforced in rust to prevent overflow)
// The limit for v0.9.3 is defined here: https://github.com/CosmWasm/cosmwasm/blob/v0.9.3/packages/vm/src/backends/singlepass.rs#L15-L23
// (this will be increased in future releases)
const MaxGas = 10_000_000_000

// InstanceCost is how much SDK gas we charge each time we load a WASM instance.
// Creating a new instance is costly, and this helps put a recursion limit to contracts calling contracts.
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