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msg_server.go
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/
msg_server.go
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package keeper
import (
"context"
"encoding/hex"
wasmtypes "github.com/CosmWasm/wasmd/x/wasm/types"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
tmstrings "github.com/tendermint/tendermint/libs/strings"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/confio/tgrade/x/poe/contract"
"github.com/confio/tgrade/x/poe/types"
)
// PoEKeeper is a subset of the keeper
type PoEKeeper interface {
ContractSource
SetValidatorInitialEngagementPoints(ctx sdk.Context, address sdk.AccAddress, value sdk.Coin) error
GetBondDenom(ctx sdk.Context) string
ValsetContract(ctx sdk.Context) ValsetContract
}
type msgServer struct {
keeper PoEKeeper
contractKeeper wasmtypes.ContractOpsKeeper
twasmKeeper types.TWasmKeeper
}
// NewMsgServerImpl returns an implementation of the bank MsgServer interface
// for the provided Keeper.
func NewMsgServerImpl(poeKeeper PoEKeeper, contractKeeper wasmtypes.ContractOpsKeeper, twasmKeeper types.TWasmKeeper) types.MsgServer {
return &msgServer{keeper: poeKeeper, contractKeeper: contractKeeper, twasmKeeper: twasmKeeper}
}
var _ types.MsgServer = msgServer{}
func (m msgServer) CreateValidator(c context.Context, msg *types.MsgCreateValidator) (*types.MsgCreateValidatorResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
pk, ok := msg.Pubkey.GetCachedValue().(cryptotypes.PubKey)
if !ok {
return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidType, "Expecting cryptotypes.PubKey, got %T", pk)
}
if _, err := msg.Description.EnsureLength(); err != nil {
return nil, err
}
cp := ctx.ConsensusParams()
if cp != nil && cp.Validator != nil {
if !tmstrings.StringInSlice(pk.Type(), cp.Validator.PubKeyTypes) {
return nil, sdkerrors.Wrapf(
stakingtypes.ErrValidatorPubKeyTypeNotSupported,
"got: %s, expected: %s", pk.Type(), cp.Validator.PubKeyTypes,
)
}
}
valsetContractAddr, err := m.keeper.GetPoEContractAddress(ctx, types.PoEContractTypeValset)
if err != nil {
return nil, sdkerrors.Wrap(err, "valset")
}
operatorAddress, err := sdk.AccAddressFromBech32(msg.OperatorAddress)
if err != nil {
return nil, sdkerrors.Wrap(err, "operator address")
}
err = contract.RegisterValidator(ctx, valsetContractAddr, pk, operatorAddress, msg.Description, m.contractKeeper)
if err != nil {
return nil, sdkerrors.Wrap(err, "register validator")
}
// delegate
stakingContractAddr, err := m.keeper.GetPoEContractAddress(ctx, types.PoEContractTypeStaking)
if err != nil {
return nil, sdkerrors.Wrap(err, "staking contract")
}
err = contract.BondDelegation(ctx, stakingContractAddr, operatorAddress, sdk.NewCoins(msg.Amount), &msg.VestingAmount, m.contractKeeper)
if err != nil {
return nil, sdkerrors.Wrap(err, "self delegation validator")
}
totalAmount := msg.Amount.Add(msg.VestingAmount)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.OperatorAddress),
),
sdk.NewEvent(
types.EventTypeCreateValidator,
sdk.NewAttribute(types.AttributeKeyValOperator, msg.OperatorAddress),
sdk.NewAttribute(types.AttributeKeyMoniker, msg.Description.Moniker),
sdk.NewAttribute(types.AttributeKeyPubKeyHex, hex.EncodeToString(pk.Bytes())),
sdk.NewAttribute(sdk.AttributeKeyAmount, totalAmount.Amount.String()),
),
})
if err := m.keeper.SetValidatorInitialEngagementPoints(ctx, operatorAddress, totalAmount); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.MsgCreateValidatorResponse{}, nil
}
func (m msgServer) UpdateValidator(c context.Context, msg *types.MsgUpdateValidator) (*types.MsgUpdateValidatorResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
if _, err := msg.Description.EnsureLength(); err != nil {
return nil, sdkerrors.Wrap(err, "description")
}
valsetContractAddr, err := m.keeper.GetPoEContractAddress(ctx, types.PoEContractTypeValset)
if err != nil {
return nil, sdkerrors.Wrap(err, "valset")
}
operatorAddress, err := sdk.AccAddressFromBech32(msg.OperatorAddress)
if err != nil {
return nil, sdkerrors.Wrap(err, "operator address")
}
// client sends a diff. we need to query the old description and merge it
current, err := m.keeper.ValsetContract(ctx).QueryValidator(ctx, operatorAddress)
if err != nil {
return nil, sdkerrors.Wrap(err, "query contract")
}
newDescr, err := current.Description.UpdateDescription(msg.Description)
if err != nil {
return nil, sdkerrors.Wrap(err, "merge description")
}
// do the update
err = contract.UpdateValidator(ctx, valsetContractAddr, operatorAddress, newDescr, m.contractKeeper)
if err != nil {
return nil, sdkerrors.Wrap(err, "update validator")
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.OperatorAddress),
),
sdk.NewEvent(
types.EventTypeUpdateValidator,
sdk.NewAttribute(types.AttributeKeyValOperator, msg.OperatorAddress),
sdk.NewAttribute(types.AttributeKeyMoniker, msg.Description.Moniker),
),
})
return &types.MsgUpdateValidatorResponse{}, nil
}
func (m msgServer) Delegate(c context.Context, msg *types.MsgDelegate) (*types.MsgDelegateResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
operatorAddress, err := sdk.AccAddressFromBech32(msg.OperatorAddress)
if err != nil {
return nil, sdkerrors.Wrap(err, "operator address")
}
stakingContractAddr, err := m.keeper.GetPoEContractAddress(ctx, types.PoEContractTypeStaking)
if err != nil {
return nil, sdkerrors.Wrap(err, "staking contract")
}
err = contract.BondDelegation(ctx, stakingContractAddr, operatorAddress, sdk.NewCoins(msg.Amount), &msg.VestingAmount, m.contractKeeper)
if err != nil {
return nil, sdkerrors.Wrap(err, "bond delegation")
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.OperatorAddress),
),
sdk.NewEvent(
types.EventTypeDelegate,
sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Amount.String()),
),
})
return &types.MsgDelegateResponse{}, nil
}
func (m msgServer) Undelegate(c context.Context, msg *types.MsgUndelegate) (*types.MsgUndelegateResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
operatorAddress, err := sdk.AccAddressFromBech32(msg.OperatorAddress)
if err != nil {
return nil, sdkerrors.Wrap(err, "operator address")
}
stakingContractAddr, err := m.keeper.GetPoEContractAddress(ctx, types.PoEContractTypeStaking)
if err != nil {
return nil, sdkerrors.Wrap(err, "staking contract")
}
completionTime, err := contract.UnbondDelegation(ctx, stakingContractAddr, operatorAddress, msg.Amount, m.contractKeeper)
if err != nil {
return nil, sdkerrors.Wrap(err, "unbond delegation")
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.OperatorAddress),
),
sdk.NewEvent(
types.EventTypeUndelegate,
sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Amount.String()),
),
})
return &types.MsgUndelegateResponse{CompletionTime: *completionTime}, nil
}