97 lines
3.3 KiB
Go
97 lines
3.3 KiB
Go
package common
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import (
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"fmt"
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"github.com/cosmos/cosmos-sdk/client"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/distribution/types"
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)
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// QueryDelegationRewards queries a delegation rewards between a delegator and a
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// validator.
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func QueryDelegationRewards(clientCtx client.Context, delAddr, valAddr string) ([]byte, int64, error) {
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delegatorAddr, err := sdk.AccAddressFromBech32(delAddr)
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if err != nil {
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return nil, 0, err
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}
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validatorAddr, err := sdk.ValAddressFromBech32(valAddr)
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if err != nil {
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return nil, 0, err
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}
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params := types.NewQueryDelegationRewardsParams(delegatorAddr, validatorAddr)
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bz, err := clientCtx.LegacyAmino.MarshalJSON(params)
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if err != nil {
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return nil, 0, fmt.Errorf("failed to marshal params: %w", err)
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}
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route := fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryDelegationRewards)
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return clientCtx.QueryWithData(route, bz)
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}
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// QueryDelegatorValidators returns delegator's list of validators
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// it submitted delegations to.
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func QueryDelegatorValidators(clientCtx client.Context, delegatorAddr sdk.AccAddress) ([]byte, error) {
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res, _, err := clientCtx.QueryWithData(
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fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryDelegatorValidators),
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clientCtx.LegacyAmino.MustMarshalJSON(types.NewQueryDelegatorParams(delegatorAddr)),
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)
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return res, err
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}
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// QueryValidatorCommission returns a validator's commission.
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func QueryValidatorCommission(clientCtx client.Context, validatorAddr sdk.ValAddress) ([]byte, error) {
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res, _, err := clientCtx.QueryWithData(
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fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryValidatorCommission),
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clientCtx.LegacyAmino.MustMarshalJSON(types.NewQueryValidatorCommissionParams(validatorAddr)),
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)
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return res, err
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}
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// WithdrawAllDelegatorRewards builds a multi-message slice to be used
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// to withdraw all delegations rewards for the given delegator.
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func WithdrawAllDelegatorRewards(clientCtx client.Context, delegatorAddr sdk.AccAddress) ([]sdk.Msg, error) {
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// retrieve the comprehensive list of all validators which the
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// delegator had submitted delegations to
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bz, err := QueryDelegatorValidators(clientCtx, delegatorAddr)
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if err != nil {
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return nil, err
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}
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var validators []sdk.ValAddress
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if err := clientCtx.LegacyAmino.UnmarshalJSON(bz, &validators); err != nil {
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return nil, err
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}
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// build multi-message transaction
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msgs := make([]sdk.Msg, 0, len(validators))
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for _, valAddr := range validators {
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msg := types.NewMsgWithdrawDelegatorReward(delegatorAddr, valAddr)
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if err := msg.ValidateBasic(); err != nil {
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return nil, err
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}
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msgs = append(msgs, msg)
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}
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return msgs, nil
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}
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// WithdrawValidatorRewardsAndCommission builds a two-message message slice to be
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// used to withdraw both validation's commission and self-delegation reward.
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func WithdrawValidatorRewardsAndCommission(validatorAddr sdk.ValAddress) ([]sdk.Msg, error) {
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commissionMsg := types.NewMsgWithdrawValidatorCommission(validatorAddr)
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if err := commissionMsg.ValidateBasic(); err != nil {
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return nil, err
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}
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// build and validate MsgWithdrawDelegatorReward
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rewardMsg := types.NewMsgWithdrawDelegatorReward(sdk.AccAddress(validatorAddr.Bytes()), validatorAddr)
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if err := rewardMsg.ValidateBasic(); err != nil {
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return nil, err
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}
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return []sdk.Msg{commissionMsg, rewardMsg}, nil
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}
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