keeper.go

package keeper

import (
	"fmt"

	"github.com/tendermint/tendermint/libs/log"

	"github.com/McDaan/testchain/x/mint/types"

	"github.com/cosmos/cosmos-sdk/codec"
	sdk "github.com/cosmos/cosmos-sdk/types"
	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)

// Keeper of the mint store.
type Keeper struct {
	cdc                 codec.BinaryCodec
	storeKey            sdk.StoreKey
	paramSpace          paramtypes.Subspace
	accountKeeper       types.AccountKeeper
	bankKeeper          types.BankKeeper
	communityPoolKeeper types.CommunityPoolKeeper
	hooks               types.MintHooks
	feeCollectorName    string
}

type invalidRatioError struct {
	ActualRatio sdk.Dec
}

func (e invalidRatioError) Error() string {
	return fmt.Sprintf("mint allocation ratio (%s) is greater than 1", e.ActualRatio)
}

type insufficientDevVestingBalanceError struct {
	ActualBalance         sdk.Int
	AttemptedDistribution sdk.Int
}

func (e insufficientDevVestingBalanceError) Error() string {
	return fmt.Sprintf("developer vesting balance (%s) is smaller than requested distribution of (%s)", e.ActualBalance, e.AttemptedDistribution)
}

const emptyAddressReceiver = ""

// NewKeeper creates a new mint Keeper instance.
func NewKeeper(
	cdc codec.BinaryCodec, key sdk.StoreKey, paramSpace paramtypes.Subspace,
	ak types.AccountKeeper, bk types.BankKeeper, ck types.CommunityPoolKeeper,
	feeCollectorName string,
) Keeper {
	// ensure mint module account is set
	if addr := ak.GetModuleAddress(types.ModuleName); addr == nil {
		panic("the mint module account has not been set")
	}

	// set KeyTable if it has not already been set
	if !paramSpace.HasKeyTable() {
		paramSpace = paramSpace.WithKeyTable(types.ParamKeyTable())
	}

	return Keeper{
		cdc:                 cdc,
		storeKey:            key,
		paramSpace:          paramSpace,
		accountKeeper:       ak,
		bankKeeper:          bk,
		communityPoolKeeper: ck,
		feeCollectorName:    feeCollectorName,
	}
}

// _____________________________________________________________________

// Logger returns a module-specific logger.
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
	return ctx.Logger().With("module", "x/"+types.ModuleName)
}

// Set the mint hooks.
func (k *Keeper) SetHooks(h types.MintHooks) *Keeper {
	if k.hooks != nil {
		panic("cannot set mint hooks twice")
	}

	k.hooks = h

	return k
}