6d1525f039
## Description Ref: #8311 closes: #10611 --- ### Author Checklist *All items are required. Please add a note to the item if the item is not applicable and please add links to any relevant follow up issues.* I have... - [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [x] added `!` to the type prefix if API or client breaking change - [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting)) - [x] provided a link to the relevant issue or specification - [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules) - [x] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing) - [x] added a changelog entry to `CHANGELOG.md` - [ ] included comments for [documenting Go code](https://blog.golang.org/godoc) - [ ] updated the relevant documentation or specification - [ ] reviewed "Files changed" and left comments if necessary - [ ] confirmed all CI checks have passed ### Reviewers Checklist *All items are required. Please add a note if the item is not applicable and please add your handle next to the items reviewed if you only reviewed selected items.* I have... - [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [ ] confirmed `!` in the type prefix if API or client breaking change - [ ] confirmed all author checklist items have been addressed - [ ] reviewed state machine logic - [ ] reviewed API design and naming - [ ] reviewed documentation is accurate - [ ] reviewed tests and test coverage - [ ] manually tested (if applicable)
114 lines
3.9 KiB
Go
114 lines
3.9 KiB
Go
package keeper
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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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"github.com/cosmos/cosmos-sdk/x/authz"
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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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//
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var (
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GrantKey = []byte{0x01} // prefix for each key
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GrantQueuePrefix = []byte{0x02}
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)
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var lenTime = len(sdk.FormatTimeBytes(time.Now()))
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// StoreKey is the store key string for authz
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const StoreKey = authz.ModuleName
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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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var key = make([]byte, l)
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copy(key, GrantKey)
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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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// fmt.Println(">>>> len", l, key)
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return key
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}
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// parseGrantStoreKey - split granter, grantee address and msg type from the authorization key
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func parseGrantStoreKey(key []byte) (granterAddr, granteeAddr sdk.AccAddress, msgType string) {
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// key is of format:
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// 0x01<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[1] // remove prefix key
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kv.AssertKeyAtLeastLength(key, int(3+granterAddrLen))
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granterAddr = sdk.AccAddress(key[2 : 2+granterAddrLen])
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granteeAddrLen := int(key[2+granterAddrLen])
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kv.AssertKeyAtLeastLength(key, 4+int(granterAddrLen+byte(granteeAddrLen)))
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granteeAddr = sdk.AccAddress(key[3+granterAddrLen : 3+granterAddrLen+byte(granteeAddrLen)])
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return granterAddr, granteeAddr, conv.UnsafeBytesToStr(key[3+granterAddrLen+byte(granteeAddrLen):])
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}
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// parseGrantQueueKey split expiration time, granter and grantee from the grant queue key
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func parseGrantQueueKey(key []byte) (time.Time, sdk.AccAddress, sdk.AccAddress, error) {
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// key is of format:
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// 0x02<grant_expiration_Bytes><granterAddress_Bytes><granteeAddressLen (1 Byte)><granteeAddress_Bytes>
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kv.AssertKeyAtLeastLength(key, 1+lenTime)
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exp, err := sdk.ParseTimeBytes(key[1 : 1+lenTime])
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if err != nil {
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return exp, nil, nil, err
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}
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granterAddrLen := key[1+lenTime]
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kv.AssertKeyAtLeastLength(key, 1+lenTime+int(granterAddrLen))
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granter := sdk.AccAddress(key[2+lenTime : byte(2+lenTime)+granterAddrLen])
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granteeAddrLen := key[byte(2+lenTime)+granterAddrLen]
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granteeStart := byte(3+lenTime) + granterAddrLen
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kv.AssertKeyAtLeastLength(key, int(granteeStart))
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grantee := sdk.AccAddress(key[granteeStart : granteeStart+granteeAddrLen])
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return exp, granter, grantee, nil
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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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var 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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// GrantQueueTimePrefix - return grant queue time prefix
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func GrantQueueTimePrefix(expiration time.Time) []byte {
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return append(GrantQueuePrefix, sdk.FormatTimeBytes(expiration)...)
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}
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// firstAddressFromGrantStoreKey parses the first address only
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func firstAddressFromGrantStoreKey(key []byte) sdk.AccAddress {
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addrLen := key[0]
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return sdk.AccAddress(key[1 : 1+addrLen])
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}
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