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msg_server.go
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/
msg_server.go
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package keeper
import (
"context"
"cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
minttypes "github.com/ODIN-PROTOCOL/odin-core/x/mint/types"
)
var _ minttypes.MsgServer = msgServer{}
type msgServer struct {
Keeper
}
// NewMsgServerImpl returns an implementation of the mint MsgServer interface
// for the provided Keeper.
func NewMsgServerImpl(keeper Keeper) minttypes.MsgServer {
return &msgServer{
Keeper: keeper,
}
}
var _ minttypes.MsgServer = msgServer{}
func (ms msgServer) WithdrawCoinsToAccFromTreasury(
ctx context.Context,
msg *minttypes.MsgWithdrawCoinsToAccFromTreasury,
) (*minttypes.MsgWithdrawCoinsToAccFromTreasuryResponse, error) {
goCtx := sdk.UnwrapSDKContext(ctx)
allowed, err := ms.IsEligibleAccount(ctx, msg.Sender)
if err != nil {
return nil, err
}
if !allowed {
return nil, errors.Wrapf(minttypes.ErrAccountIsNotEligible, "account: %s", msg.Sender)
}
exceeded, err := ms.LimitExceeded(ctx, msg.Amount)
if err != nil {
return nil, err
}
if exceeded {
return nil, errors.Wrapf(minttypes.ErrExceedsWithdrawalLimitPerTime, "amount: %s", msg.Amount.String())
}
receiver, err := sdk.AccAddressFromBech32(msg.Receiver)
if err != nil {
return nil, errors.Wrapf(err, "failed to parse receiver address %s", msg.Receiver)
}
if err := ms.WithdrawCoinsFromTreasury(ctx, receiver, msg.Amount); err != nil {
return nil, errors.Wrapf(err, "failed to mint %s coins to account %s", msg.Amount, msg.Receiver)
}
goCtx.EventManager().EmitEvent(sdk.NewEvent(
minttypes.EventTypeWithdrawal,
sdk.NewAttribute(minttypes.AttributeKeyWithdrawalAmount, msg.Amount.String()),
sdk.NewAttribute(minttypes.AttributeKeyReceiver, msg.Receiver),
sdk.NewAttribute(minttypes.AttributeKeySender, msg.Sender),
))
return &minttypes.MsgWithdrawCoinsToAccFromTreasuryResponse{}, nil
}
func (ms msgServer) MintCoins(
ctx context.Context,
msg *minttypes.MsgMintCoins,
) (*minttypes.MsgMintCoinsResponse, error) {
goCtx := sdk.UnwrapSDKContext(ctx)
allowed, err := ms.IsAllowedMintDenom(ctx, msg.Amount[0])
if err != nil {
return nil, err
}
if !allowed {
return nil, errors.Wrapf(minttypes.ErrInvalidMintDenom, "denom: %s", msg.Amount.GetDenomByIndex(0))
}
allowed, err = ms.IsAllowedMinter(ctx, msg.Sender)
if err != nil {
return nil, err
}
if !allowed {
return nil, errors.Wrapf(minttypes.ErrAccountIsNotEligible, "account: %s", msg.Sender)
}
exceeded, err := ms.MintVolumeExceeded(ctx, msg.Amount)
if err != nil {
return nil, err
}
if exceeded {
return nil, errors.Wrapf(minttypes.ErrMintVolumeExceedsLimit, "volume: %s", msg.Amount.String())
}
if err := ms.MintNewCoins(ctx, msg.Amount); err != nil {
return nil, errors.Wrapf(err, "failed to mint %s new coins", msg.Amount)
}
goCtx.EventManager().EmitEvent(sdk.NewEvent(
minttypes.EventTypeMinting,
sdk.NewAttribute(minttypes.AttributeKeyMintingVolume, msg.Amount.String()),
sdk.NewAttribute(minttypes.AttributeKeySender, msg.Sender),
))
return &minttypes.MsgMintCoinsResponse{}, nil
}
// UpdateParams updates the params.
func (ms msgServer) UpdateParams(ctx context.Context, msg *minttypes.MsgUpdateParams) (*minttypes.MsgUpdateParamsResponse, error) {
if ms.authority != msg.Authority {
return nil, errors.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", ms.authority, msg.Authority)
}
if err := msg.Params.Validate(); err != nil {
return nil, err
}
if err := ms.SetParams(ctx, msg.Params); err != nil {
return nil, err
}
return &minttypes.MsgUpdateParamsResponse{}, nil
}