mirror of
https://github.com/0glabs/0g-chain.git
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297 lines
9.2 KiB
Go
297 lines
9.2 KiB
Go
package keeper_test
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import (
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"testing"
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sdkmath "cosmossdk.io/math"
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"github.com/0glabs/0g-chain/x/precisebank/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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"github.com/stretchr/testify/require"
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)
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func TestKeeper_GetBalance(t *testing.T) {
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tests := []struct {
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name string
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giveDenom string // queried denom for balance
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giveBankBal sdk.Coins // mocked bank balance for giveAddr
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giveFractionalBal sdkmath.Int // stored fractional balance for giveAddr
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wantBal sdk.Coin
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}{
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{
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"extended denom - no fractional balance",
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types.ExtendedCoinDenom,
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// queried bank balance in ukava when querying for akava
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sdk.NewCoins(sdk.NewCoin(types.IntegerCoinDenom, sdk.NewInt(1000))),
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sdkmath.ZeroInt(),
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// integer + fractional
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sdk.NewCoin(types.ExtendedCoinDenom, sdk.NewInt(1000_000_000_000_000)),
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},
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{
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"extended denom - with fractional balance",
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types.ExtendedCoinDenom,
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sdk.NewCoins(sdk.NewCoin(types.IntegerCoinDenom, sdk.NewInt(1000))),
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sdkmath.NewInt(100),
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// integer + fractional
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sdk.NewCoin(types.ExtendedCoinDenom, sdk.NewInt(1000_000_000_000_100)),
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},
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{
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"extended denom - only fractional balance",
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types.ExtendedCoinDenom,
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// no coins in bank, only fractional balance
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sdk.NewCoins(),
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sdkmath.NewInt(100),
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sdk.NewCoin(types.ExtendedCoinDenom, sdk.NewInt(100)),
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},
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{
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"extended denom - max fractional balance",
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types.ExtendedCoinDenom,
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sdk.NewCoins(sdk.NewCoin(types.IntegerCoinDenom, sdk.NewInt(1000))),
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types.ConversionFactor().SubRaw(1),
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// integer + fractional
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sdk.NewCoin(types.ExtendedCoinDenom, sdk.NewInt(1000_999_999_999_999)),
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},
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{
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"non-extended denom - ukava returns ukava",
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types.IntegerCoinDenom,
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sdk.NewCoins(sdk.NewCoin(types.IntegerCoinDenom, sdk.NewInt(1000))),
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sdk.ZeroInt(),
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sdk.NewCoin("ukava", sdk.NewInt(1000)),
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},
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{
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"non-extended denom - unaffected by fractional balance",
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"ukava",
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sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1000))),
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sdkmath.NewInt(100),
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sdk.NewCoin("ukava", sdk.NewInt(1000)),
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},
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{
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"unrelated denom - no fractional",
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"busd",
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sdk.NewCoins(sdk.NewCoin("busd", sdk.NewInt(1000))),
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sdk.ZeroInt(),
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sdk.NewCoin("busd", sdk.NewInt(1000)),
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},
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{
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"unrelated denom - unaffected by fractional balance",
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"busd",
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sdk.NewCoins(sdk.NewCoin("busd", sdk.NewInt(1000))),
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sdkmath.NewInt(100),
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sdk.NewCoin("busd", sdk.NewInt(1000)),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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tk := NewMockedTestData(t)
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addr := sdk.AccAddress([]byte("test-address"))
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// Set fractional balance in store before query
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tk.keeper.SetFractionalBalance(tk.ctx, addr, tt.giveFractionalBal)
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// Checks address if its a reserve denom
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if tt.giveDenom == types.ExtendedCoinDenom {
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tk.ak.EXPECT().GetModuleAddress(types.ModuleName).
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Return(authtypes.NewModuleAddress(types.ModuleName)).
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Once()
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}
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if tt.giveDenom == types.ExtendedCoinDenom {
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// No balance pass through
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tk.bk.EXPECT().
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GetBalance(tk.ctx, addr, types.IntegerCoinDenom).
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RunAndReturn(func(_ sdk.Context, _ sdk.AccAddress, _ string) sdk.Coin {
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amt := tt.giveBankBal.AmountOf(types.IntegerCoinDenom)
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return sdk.NewCoin(types.IntegerCoinDenom, amt)
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}).
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Once()
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} else {
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// Pass through to x/bank for denoms except ExtendedCoinDenom
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tk.bk.EXPECT().
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GetBalance(tk.ctx, addr, tt.giveDenom).
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RunAndReturn(func(ctx sdk.Context, aa sdk.AccAddress, s string) sdk.Coin {
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require.Equal(t, s, tt.giveDenom, "unexpected denom passed to x/bank.GetBalance")
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return sdk.NewCoin(tt.giveDenom, tt.giveBankBal.AmountOf(s))
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}).
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Once()
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}
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bal := tk.keeper.GetBalance(tk.ctx, addr, tt.giveDenom)
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require.Equal(t, tt.wantBal, bal)
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})
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}
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}
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func TestKeeper_SpendableCoin(t *testing.T) {
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tests := []struct {
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name string
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giveDenom string // queried denom for balance
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giveBankBal sdk.Coins // mocked bank balance for giveAddr
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giveFractionalBal sdkmath.Int // stored fractional balance for giveAddr
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wantBal sdk.Coin
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}{
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{
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"extended denom - no fractional balance",
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types.ExtendedCoinDenom,
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// queried bank balance in ukava when querying for akava
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sdk.NewCoins(sdk.NewCoin(types.IntegerCoinDenom, sdk.NewInt(1000))),
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sdkmath.ZeroInt(),
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// integer + fractional
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sdk.NewCoin(types.ExtendedCoinDenom, sdk.NewInt(1000_000_000_000_000)),
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},
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{
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"extended denom - with fractional balance",
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types.ExtendedCoinDenom,
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sdk.NewCoins(sdk.NewCoin(types.IntegerCoinDenom, sdk.NewInt(1000))),
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sdkmath.NewInt(100),
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// integer + fractional
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sdk.NewCoin(types.ExtendedCoinDenom, sdk.NewInt(1000_000_000_000_100)),
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},
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{
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"extended denom - only fractional balance",
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types.ExtendedCoinDenom,
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// no coins in bank, only fractional balance
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sdk.NewCoins(),
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sdkmath.NewInt(100),
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sdk.NewCoin(types.ExtendedCoinDenom, sdk.NewInt(100)),
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},
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{
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"extended denom - max fractional balance",
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types.ExtendedCoinDenom,
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sdk.NewCoins(sdk.NewCoin(types.IntegerCoinDenom, sdk.NewInt(1000))),
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types.ConversionFactor().SubRaw(1),
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// integer + fractional
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sdk.NewCoin(types.ExtendedCoinDenom, sdk.NewInt(1000_999_999_999_999)),
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},
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{
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"non-extended denom - ukava returns ukava",
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types.IntegerCoinDenom,
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sdk.NewCoins(sdk.NewCoin(types.IntegerCoinDenom, sdk.NewInt(1000))),
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sdk.ZeroInt(),
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sdk.NewCoin("ukava", sdk.NewInt(1000)),
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},
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{
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"non-extended denom - unaffected by fractional balance",
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"ukava",
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sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1000))),
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sdkmath.NewInt(100),
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sdk.NewCoin("ukava", sdk.NewInt(1000)),
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},
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{
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"unrelated denom - no fractional",
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"busd",
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sdk.NewCoins(sdk.NewCoin("busd", sdk.NewInt(1000))),
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sdk.ZeroInt(),
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sdk.NewCoin("busd", sdk.NewInt(1000)),
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},
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{
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"unrelated denom - unaffected by fractional balance",
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"busd",
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sdk.NewCoins(sdk.NewCoin("busd", sdk.NewInt(1000))),
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sdkmath.NewInt(100),
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sdk.NewCoin("busd", sdk.NewInt(1000)),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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tk := NewMockedTestData(t)
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addr := sdk.AccAddress([]byte("test-address"))
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// Set fractional balance in store before query
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tk.keeper.SetFractionalBalance(tk.ctx, addr, tt.giveFractionalBal)
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// If its a reserve denom, module address is checked
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if tt.giveDenom == types.ExtendedCoinDenom {
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tk.ak.EXPECT().GetModuleAddress(types.ModuleName).
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Return(authtypes.NewModuleAddress(types.ModuleName)).
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Once()
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}
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if tt.giveDenom == types.ExtendedCoinDenom {
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// No balance pass through
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tk.bk.EXPECT().
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SpendableCoin(tk.ctx, addr, types.IntegerCoinDenom).
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RunAndReturn(func(_ sdk.Context, _ sdk.AccAddress, _ string) sdk.Coin {
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amt := tt.giveBankBal.AmountOf(types.IntegerCoinDenom)
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return sdk.NewCoin(types.IntegerCoinDenom, amt)
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}).
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Once()
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} else {
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// Pass through to x/bank for denoms except ExtendedCoinDenom
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tk.bk.EXPECT().
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SpendableCoin(tk.ctx, addr, tt.giveDenom).
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RunAndReturn(func(ctx sdk.Context, aa sdk.AccAddress, s string) sdk.Coin {
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require.Equal(t, s, tt.giveDenom, "unexpected denom passed to x/bank.GetBalance")
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return sdk.NewCoin(tt.giveDenom, tt.giveBankBal.AmountOf(s))
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}).
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Once()
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}
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bal := tk.keeper.SpendableCoin(tk.ctx, addr, tt.giveDenom)
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require.Equal(t, tt.wantBal, bal)
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})
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}
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}
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func TestHiddenReserve(t *testing.T) {
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// Reserve balances should not be shown to consumers of x/precisebank, as it
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// represents the fractional balances of accounts.
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tk := NewMockedTestData(t)
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moduleAddr := authtypes.NewModuleAddress(types.ModuleName)
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// No mock bankkeeper expectations, which means the zero coin is returned
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// directly for reserve address. So the mock bankkeeper doesn't need to have
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// a handler for getting underlying balance.
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tests := []struct {
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name string
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denom string
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expectedBalance sdk.Coin
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}{
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{"akava", types.ExtendedCoinDenom, sdk.NewCoin(types.ExtendedCoinDenom, sdkmath.ZeroInt())},
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{"ukava", types.IntegerCoinDenom, sdk.NewCoin(types.IntegerCoinDenom, sdkmath.NewInt(1))},
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{"unrelated denom", "cat", sdk.NewCoin("cat", sdkmath.ZeroInt())},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// 2 calls for GetBalance and SpendableCoin, only for reserve coins
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if tt.denom == "akava" {
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tk.ak.EXPECT().GetModuleAddress(types.ModuleName).
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Return(moduleAddr).
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Twice()
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} else {
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// Passthrough to x/bank for non-reserve denoms
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tk.bk.EXPECT().
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GetBalance(tk.ctx, moduleAddr, tt.denom).
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Return(sdk.NewCoin(tt.denom, sdkmath.ZeroInt())).
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Once()
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tk.bk.EXPECT().
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SpendableCoin(tk.ctx, moduleAddr, tt.denom).
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Return(sdk.NewCoin(tt.denom, sdkmath.ZeroInt())).
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Once()
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}
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// GetBalance should return zero balance for reserve address
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coin := tk.keeper.GetBalance(tk.ctx, moduleAddr, tt.denom)
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require.Equal(t, tt.denom, coin.Denom)
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require.Equal(t, sdkmath.ZeroInt(), coin.Amount)
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// SpendableCoin should return zero balance for reserve address
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spendableCoin := tk.keeper.SpendableCoin(tk.ctx, moduleAddr, tt.denom)
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require.Equal(t, tt.denom, spendableCoin.Denom)
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require.Equal(t, sdkmath.ZeroInt(), spendableCoin.Amount)
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})
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}
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}
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