51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
package v042
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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 defines the module name
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ModuleName = "bank"
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// StoreKey defines the primary module store key
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StoreKey = ModuleName
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// RouterKey defines the module's message routing key
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RouterKey = ModuleName
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// QuerierRoute defines the module's query routing key
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QuerierRoute = ModuleName
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)
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// KVStore keys
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var (
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// BalancesPrefix is the for the account balances store. We use a byte
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// (instead of say `[]]byte("balances")` to save some disk space).
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BalancesPrefix = []byte{0x02}
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SupplyKey = []byte{0x00}
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DenomMetadataPrefix = []byte{0x1}
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)
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// DenomMetadataKey returns the denomination metadata key.
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func DenomMetadataKey(denom string) []byte {
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d := []byte(denom)
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return append(DenomMetadataPrefix, d...)
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}
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// AddressFromBalancesStore returns an account address from a balances prefix
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// store. The key must not contain the perfix BalancesPrefix as the prefix store
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// iterator discards the actual prefix.
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func AddressFromBalancesStore(key []byte) sdk.AccAddress {
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addrLen := key[0]
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addr := key[1 : addrLen+1]
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return sdk.AccAddress(addr)
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}
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// CreateAccountBalancesPrefix creates the prefix for an account's balances.
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func CreateAccountBalancesPrefix(addr []byte) []byte {
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return append(BalancesPrefix, address.MustLengthPrefix(addr)...)
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}
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