/
tenant.go
184 lines (149 loc) · 5.21 KB
/
tenant.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
package keeper
import (
"fmt"
"github.com/cosmos/cosmos-sdk/store/prefix"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/settlus/chain/contracts"
"github.com/settlus/chain/x/settlement/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// GetTenantStore returns the tenant store for the given tenantId
func (k SettlementKeeper) GetTenantStore(ctx sdk.Context) sdk.KVStore {
store := ctx.KVStore(k.storeKey)
return prefix.NewStore(store, types.TenantPrefix)
}
// GetLargestTenantId returns the latest tenant from the store
func (k SettlementKeeper) GetLargestTenantId(ctx sdk.Context) uint64 {
store := ctx.KVStore(k.storeKey)
iterator := prefix.NewStore(store, types.TenantPrefix).ReverseIterator(nil, nil)
defer iterator.Close()
if !iterator.Valid() {
// if there is no tenant, return 0
return 0
}
return sdk.BigEndianToUint64(iterator.Key())
}
// GetTenant returns the tenant by its tenantId
func (k SettlementKeeper) GetTenant(ctx sdk.Context, tenantId uint64) *types.Tenant {
store := ctx.KVStore(k.storeKey)
bz := store.Get(types.TenantStoreKey(tenantId))
if bz == nil {
return nil
}
var tenant types.Tenant
k.cdc.MustUnmarshal(bz, &tenant)
return &tenant
}
// GetTenantTreasury returns the tenant treasury account and its balance
func (k SettlementKeeper) GetTenantTreasury(ctx sdk.Context, tenantId uint64) (sdk.AccAddress, sdk.Coins) {
tenantTreasury := types.GetTenantTreasuryAccount(tenantId)
treasuryBalance := k.bk.SpendableCoins(ctx, tenantTreasury)
return tenantTreasury, treasuryBalance
}
// deployTokenContract deploys a soul bound token (SBT) contract on the EVM
func (k SettlementKeeper) deployTokenContract(ctx sdk.Context, tenantId uint64, denom string) (string, error) {
tenantAccount := types.GetTenantTreasuryAccount(tenantId)
tenantAddress := common.BytesToAddress(tenantAccount)
ctorArgs, err := contracts.SBTContract.ABI.Pack(
"",
denom,
denom,
tenantAddress,
)
if err != nil {
return "", err
}
data := make([]byte, len(contracts.SBTContract.Bin)+len(ctorArgs))
copy(data[:len(contracts.SBTContract.Bin)], contracts.SBTContract.Bin)
copy(data[len(contracts.SBTContract.Bin):], ctorArgs)
nonce, err := k.ak.GetSequence(ctx, tenantAccount)
if err != nil {
return "", err
}
contractAddr := crypto.CreateAddress(tenantAddress, nonce)
_, err = k.evmk.CallEVMWithData(ctx, tenantAddress, nil, data, true)
if err != nil {
return "", err
}
contractAddressHex := contractAddr.Hex()
err = ctx.EventManager().EmitTypedEvent(&types.EventDeployContract{
Tenant: tenantId,
ContractAddress: contractAddressHex,
TokenName: denom,
ContractAdmin: tenantAddress.Hex(),
})
if err != nil {
return "", fmt.Errorf("failed to emit event: deploy contract: (%s)", err)
}
return contractAddressHex, nil
}
// CreateNewTenant creates a new tenant
func (k SettlementKeeper) CreateNewTenant(ctx sdk.Context, initialAdmin string, denom string, payoutPeriod uint64, payoutMethod string, contractAddr string) (tenantId uint64, err error) {
tenantId = k.GetLargestTenantId(ctx) + 1
tenant := &types.Tenant{
Id: tenantId,
Admins: []string{initialAdmin},
Denom: denom,
PayoutPeriod: payoutPeriod,
PayoutMethod: payoutMethod,
ContractAddress: contractAddr,
}
k.CreateTreasuryAccount(ctx, tenantId)
if payoutMethod == types.PayoutMethod_MintContract && contractAddr == "" {
contractAddr, err = k.deployTokenContract(ctx, tenantId, tenant.Denom)
if err != nil {
return 0, err
}
tenant.ContractAddress = contractAddr
}
k.SetTenant(ctx, tenant)
return tenantId, nil
}
// CheckAdminPermission returns true if the account has admin permission
func (k SettlementKeeper) CheckAdminPermission(ctx sdk.Context, tenantId uint64, account string) bool {
tenant := k.GetTenant(ctx, tenantId)
if tenant == nil {
return false
}
for _, admin := range tenant.Admins {
if admin == account {
return true
}
}
return false
}
// GetPayoutPeriod returns the payout period of the tenant
func (k SettlementKeeper) GetPayoutPeriod(ctx sdk.Context, tenantId uint64) uint64 {
tenant := k.GetTenant(ctx, tenantId)
if tenant == nil {
return 0
}
return tenant.PayoutPeriod
}
// CheckTenantExist returns true if tenant exists
func (k SettlementKeeper) CheckTenantExist(ctx sdk.Context, tenantId uint64) bool {
return k.GetTenant(ctx, tenantId) != nil
}
// SetTenant sets the tenant to the store
func (k SettlementKeeper) SetTenant(ctx sdk.Context, tenant *types.Tenant) {
store := ctx.KVStore(k.storeKey)
bz := k.cdc.MustMarshal(tenant)
store.Set(types.TenantStoreKey(tenant.Id), bz)
}
// GetAllTenants returns all tenants
func (k SettlementKeeper) GetAllTenants(ctx sdk.Context) []types.Tenant {
store := ctx.KVStore(k.storeKey)
iterator := prefix.NewStore(store, types.TenantPrefix).Iterator(nil, nil)
defer iterator.Close()
var tenants []types.Tenant
for ; iterator.Valid(); iterator.Next() {
var tenant types.Tenant
k.cdc.MustUnmarshal(iterator.Value(), &tenant)
tenants = append(tenants, tenant)
}
return tenants
}
func (k SettlementKeeper) CreateTreasuryAccount(ctx sdk.Context, tenantId uint64) {
k.ak.SetAccount(ctx, k.ak.NewAccountWithAddress(ctx, types.GetTenantTreasuryAccount(tenantId)))
}