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params.go
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params.go
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package types
import (
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
// DefaultParams returns default parameters
func DefaultParams() Params {
return Params{
ContractAddresses: []string(nil),
ContractGasLimit: 1_000_000_000, // 1 billion
}
}
// NewParams creates a new Params object
func NewParams(
contracts []string,
contractGasLimit uint64,
) Params {
return Params{
ContractAddresses: contracts,
ContractGasLimit: contractGasLimit,
}
}
// Validate performs basic validation.
func (p Params) Validate() error {
minimumGas := uint64(100_000)
if p.ContractGasLimit < minimumGas {
return errorsmod.Wrapf(
sdkerrors.ErrInvalidRequest,
"invalid contract gas limit: %d. Must be above %d", p.ContractGasLimit, minimumGas,
)
}
for _, addr := range p.ContractAddresses {
// Valid address check
if _, err := sdk.AccAddressFromBech32(addr); err != nil {
return errorsmod.Wrapf(
sdkerrors.ErrInvalidAddress,
"invalid contract address: %s", err.Error(),
)
}
// duplicate address check
count := 0
for _, addr2 := range p.ContractAddresses {
if addr == addr2 {
count++
}
if count > 1 {
return errorsmod.Wrapf(
sdkerrors.ErrInvalidAddress,
"duplicate contract address: %s", addr,
)
}
}
}
return nil
}