37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
package feegrant
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import (
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/address"
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)
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const (
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// ModuleName is the module name constant used in many places
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ModuleName = "feegrant"
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// StoreKey is the store key string for supply
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StoreKey = ModuleName
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// RouterKey is the message route for supply
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RouterKey = ModuleName
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// QuerierRoute is the querier route for supply
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QuerierRoute = ModuleName
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)
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var (
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// FeeAllowanceKeyPrefix is the set of the kvstore for fee allowance data
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FeeAllowanceKeyPrefix = []byte{0x00}
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)
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// FeeAllowanceKey is the canonical key to store a grant from granter to grantee
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// We store by grantee first to allow searching by everyone who granted to you
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func FeeAllowanceKey(granter sdk.AccAddress, grantee sdk.AccAddress) []byte {
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return append(FeeAllowancePrefixByGrantee(grantee), address.MustLengthPrefix(granter.Bytes())...)
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}
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// FeeAllowancePrefixByGrantee returns a prefix to scan for all grants to this given address.
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func FeeAllowancePrefixByGrantee(grantee sdk.AccAddress) []byte {
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return append(FeeAllowanceKeyPrefix, address.MustLengthPrefix(grantee.Bytes())...)
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}
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