/
token.go
72 lines (60 loc) · 1.9 KB
/
token.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
package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/tessornetwork/nebula/x/leverage/types"
)
// SetTokenSettings stores a Token into the x/leverage module's KVStore.
func (k Keeper) SetTokenSettings(ctx sdk.Context, token types.Token) error {
if err := token.Validate(); err != nil {
return err
}
store := ctx.KVStore(k.storeKey)
tokenKey := types.KeyRegisteredToken(token.BaseDenom)
bz, err := k.cdc.Marshal(&token)
if err != nil {
return err
}
k.hooks.AfterTokenRegistered(ctx, token)
store.Set(tokenKey, bz)
return nil
}
// GetTokenSettings gets a token from the x/leverage module's KVStore.
func (k Keeper) GetTokenSettings(ctx sdk.Context, denom string) (types.Token, error) {
store := ctx.KVStore(k.storeKey)
tokenKey := types.KeyRegisteredToken(denom)
token := types.Token{}
bz := store.Get(tokenKey)
if len(bz) == 0 {
return token, sdkerrors.Wrap(types.ErrNotRegisteredToken, denom)
}
err := k.cdc.Unmarshal(bz, &token)
return token, err
}
// SaveOrUpdateTokenSettingsToRegistry adds new tokens or updates the new tokens settings to registry.
func (k Keeper) SaveOrUpdateTokenSettingsToRegistry(
ctx sdk.Context, authority string, tokens []types.Token, registeredTokenDenoms map[string]bool, update bool,
) error {
for _, token := range tokens {
if err := token.Validate(); err != nil {
return err
}
}
for _, token := range tokens {
if update {
if _, ok := registeredTokenDenoms[token.BaseDenom]; !ok {
return types.ErrNotRegisteredToken.Wrapf("token %s is not registered", token.BaseDenom)
}
} else {
if _, ok := registeredTokenDenoms[token.BaseDenom]; ok {
return types.ErrDuplicateToken.Wrapf("token %s is already registered", token.BaseDenom)
}
}
}
for _, token := range tokens {
if err := k.SetTokenSettings(ctx, token); err != nil {
return err
}
}
return nil
}