7efeb826e0
* chore: rename migrations from v42, v43 to v1, v2 * group migration should be in #13742 * updates
73 lines
2.4 KiB
Go
73 lines
2.4 KiB
Go
package v2
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import (
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"time"
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"github.com/cosmos/cosmos-sdk/internal/conv"
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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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"github.com/cosmos/cosmos-sdk/types/kv"
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)
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// Keys for store prefixes
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// Items are stored with the following key: values
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//
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// - 0x01<grant_Bytes>: Grant
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// - 0x02<grant_expiration_Bytes>: GrantQueueItem
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var (
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GrantPrefix = []byte{0x01}
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GrantQueuePrefix = []byte{0x02}
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)
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// GrantQueueKey - return grant queue store key
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// Key format is
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//
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// - 0x02<grant_expiration_Bytes>: GrantQueueItem
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func GrantQueueKey(expiration time.Time, granter sdk.AccAddress, grantee sdk.AccAddress) []byte {
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exp := sdk.FormatTimeBytes(expiration)
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granter = address.MustLengthPrefix(granter)
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grantee = address.MustLengthPrefix(grantee)
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l := 1 + len(exp) + len(granter) + len(grantee)
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key := make([]byte, l)
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copy(key, GrantQueuePrefix)
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copy(key[1:], exp)
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copy(key[1+len(exp):], granter)
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copy(key[1+len(exp)+len(granter):], grantee)
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return key
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}
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// GrantStoreKey - return authorization store key
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// Items are stored with the following key: values
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//
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// - 0x01<granterAddressLen (1 Byte)><granterAddress_Bytes><granteeAddressLen (1 Byte)><granteeAddress_Bytes><msgType_Bytes>: Grant
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func GrantStoreKey(grantee sdk.AccAddress, granter sdk.AccAddress, msgType string) []byte {
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m := conv.UnsafeStrToBytes(msgType)
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granter = address.MustLengthPrefix(granter)
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grantee = address.MustLengthPrefix(grantee)
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l := 1 + len(grantee) + len(granter) + len(m)
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key := make([]byte, l)
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copy(key, GrantPrefix)
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copy(key[1:], granter)
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copy(key[1+len(granter):], grantee)
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copy(key[l-len(m):], m)
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return key
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}
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// ParseGrantKey - split granter, grantee address and msg type from the authorization key
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func ParseGrantKey(key []byte) (granterAddr, granteeAddr sdk.AccAddress, msgType string) {
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// key is of format:
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// <granterAddressLen (1 Byte)><granterAddress_Bytes><granteeAddressLen (1 Byte)><granteeAddress_Bytes><msgType_Bytes>
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kv.AssertKeyAtLeastLength(key, 2)
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granterAddrLen := key[0]
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kv.AssertKeyAtLeastLength(key, int(2+granterAddrLen))
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granterAddr = sdk.AccAddress(key[1 : 1+granterAddrLen])
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granteeAddrLen := int(key[1+granterAddrLen])
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kv.AssertKeyAtLeastLength(key, 3+int(granterAddrLen+byte(granteeAddrLen)))
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granteeAddr = sdk.AccAddress(key[2+granterAddrLen : 2+granterAddrLen+byte(granteeAddrLen)])
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return granterAddr, granteeAddr, conv.UnsafeBytesToStr(key[2+granterAddrLen+byte(granteeAddrLen):])
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}
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