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message_create_pool.go
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message_create_pool.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"
)
const TypeMsgCreatePool = "create_pool"
var _ sdk.Msg = &MsgCreatePool{}
func NewMsgCreatePool(sender string, poolParams *PoolParams, poolAssets []PoolAsset) *MsgCreatePool {
return &MsgCreatePool{
Sender: sender,
PoolParams: poolParams,
PoolAssets: poolAssets,
}
}
func (msg *MsgCreatePool) Route() string {
return RouterKey
}
func (msg *MsgCreatePool) Type() string {
return TypeMsgCreatePool
}
func (msg *MsgCreatePool) GetSigners() []sdk.AccAddress {
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
panic(err)
}
return []sdk.AccAddress{sender}
}
func (msg *MsgCreatePool) GetSignBytes() []byte {
bz := ModuleCdc.MustMarshalJSON(msg)
return sdk.MustSortJSON(bz)
}
func (msg *MsgCreatePool) ValidateBasic() error {
_, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "invalid sender address (%s)", err)
}
if msg.PoolParams == nil {
return ErrPoolParamsShouldNotBeNil
}
if msg.PoolParams.SwapFee.IsNegative() {
return ErrFeeShouldNotBeNegative
}
if msg.PoolParams.SwapFee.GT(sdk.NewDecWithPrec(2, 2)) { // >2%
return ErrSwapFeeShouldNotExceedTwoPercent
}
if msg.PoolParams.ExitFee.IsNegative() {
return ErrFeeShouldNotBeNegative
}
if msg.PoolParams.ExitFee.GT(sdk.NewDecWithPrec(2, 2)) { // >2%
return ErrExitFeeShouldNotExceedTwoPercent
}
return nil
}
func (msg *MsgCreatePool) InitialLiquidity() sdk.Coins {
var coins sdk.Coins
for _, asset := range msg.PoolAssets {
coins = append(coins, asset.Token)
}
if coins == nil {
panic("InitialLiquidity coins is equal to nil - this shouldn't happen")
}
coins = coins.Sort()
return coins
}