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pyusd strategy #151

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63dcad8
pyusd strategy
nialexsan Jan 16, 2026
dc00223
config transaction scripts
nialexsan Jan 16, 2026
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86 changes: 79 additions & 7 deletions cadence/contracts/FlowYieldVaultsStrategiesV1_1.cdc
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Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,65 @@ access(all) contract FlowYieldVaultsStrategiesV1_1 {
}
}

access(all) resource FUSDEVStrategy : FlowYieldVaults.Strategy, DeFiActions.IdentifiableResource {
/// An optional identifier allowing protocols to identify stacked connector operations by defining a protocol-
/// specific Identifier to associated connectors on construction
access(contract) var uniqueID: DeFiActions.UniqueIdentifier?
access(self) let position: FlowCreditMarket.Position
access(self) var sink: {DeFiActions.Sink}
access(self) var source: {DeFiActions.Source}

init(id: DeFiActions.UniqueIdentifier, collateralType: Type, position: FlowCreditMarket.Position) {
self.uniqueID = id
self.position = position
self.sink = position.createSink(type: collateralType)
self.source = position.createSourceWithOptions(type: collateralType, pullFromTopUpSource: true)
}

// Inherited from FlowYieldVaults.Strategy default implementation
// access(all) view fun isSupportedCollateralType(_ type: Type): Bool

access(all) view fun getSupportedCollateralTypes(): {Type: Bool} {
return { self.sink.getSinkType(): true }
}
/// Returns the amount available for withdrawal via the inner Source
access(all) fun availableBalance(ofToken: Type): UFix64 {
return ofToken == self.source.getSourceType() ? self.source.minimumAvailable() : 0.0
}
/// Deposits up to the inner Sink's capacity from the provided authorized Vault reference
access(all) fun deposit(from: auth(FungibleToken.Withdraw) &{FungibleToken.Vault}) {
self.sink.depositCapacity(from: from)
}
/// Withdraws up to the max amount, returning the withdrawn Vault. If the requested token type is unsupported,
/// an empty Vault is returned.
access(FungibleToken.Withdraw) fun withdraw(maxAmount: UFix64, ofToken: Type): @{FungibleToken.Vault} {
if ofToken != self.source.getSourceType() {
return <- DeFiActionsUtils.getEmptyVault(ofToken)
}
return <- self.source.withdrawAvailable(maxAmount: maxAmount)
}
/// Executed when a Strategy is burned, cleaning up the Strategy's stored AutoBalancer
access(contract) fun burnCallback() {
FlowYieldVaultsAutoBalancers._cleanupAutoBalancer(id: self.id()!)
}
access(all) fun getComponentInfo(): DeFiActions.ComponentInfo {
return DeFiActions.ComponentInfo(
type: self.getType(),
id: self.id(),
innerComponents: [
self.sink.getComponentInfo(),
self.source.getComponentInfo()
]
)
}
access(contract) view fun copyID(): DeFiActions.UniqueIdentifier? {
return self.uniqueID
}
access(contract) fun setID(_ id: DeFiActions.UniqueIdentifier?) {
self.uniqueID = id
}
}

access(all) struct TokenBundle {
access(all) let moetTokenType: Type
access(all) let moetTokenEVMAddress: EVM.EVMAddress
Expand Down Expand Up @@ -306,11 +365,22 @@ access(all) contract FlowYieldVaultsStrategiesV1_1 {
// Set AutoBalancer sink for overflow -> recollateralize
balancerIO.autoBalancer.setSink(positionSwapSink, updateSinkID: true)

return <-create FlowYieldVaultsStrategiesV1_1.mUSDFStrategy(
id: uniqueID,
collateralType: collateralType,
position: position
)
switch type {
case Type<@mUSDFStrategy>():
return <-create mUSDFStrategy(
id: uniqueID,
collateralType: collateralType,
position: position
)
case Type<@FUSDEVStrategy>():
return <-create FUSDEVStrategy(
id: uniqueID,
collateralType: collateralType,
position: position
)
default:
panic("Unsupported strategy type \(type.identifier)")
}
}

/* ===========================
Expand Down Expand Up @@ -671,7 +741,8 @@ access(all) contract FlowYieldVaultsStrategiesV1_1 {
access(Configure) fun purgeConfig() {
self.configs = {
Type<@mUSDFStrategyComposer>(): {
Type<@mUSDFStrategy>(): {} as {Type: FlowYieldVaultsStrategiesV1_1.CollateralConfig}
Type<@mUSDFStrategy>(): {} as {Type: FlowYieldVaultsStrategiesV1_1.CollateralConfig},
Type<@FUSDEVStrategy>(): {} as {Type: FlowYieldVaultsStrategiesV1_1.CollateralConfig}
}
}
}
Expand Down Expand Up @@ -757,7 +828,8 @@ access(all) contract FlowYieldVaultsStrategiesV1_1 {

let configs = {
Type<@mUSDFStrategyComposer>(): {
Type<@mUSDFStrategy>(): ({} as {Type: FlowYieldVaultsStrategiesV1_1.CollateralConfig})
Type<@mUSDFStrategy>(): {} as {Type: FlowYieldVaultsStrategiesV1_1.CollateralConfig},
Type<@FUSDEVStrategy>(): {} as {Type: FlowYieldVaultsStrategiesV1_1.CollateralConfig}
}
}
self.account.storage.save(<-create StrategyComposerIssuer(configs: configs), to: self.IssuerStoragePath)
Expand Down
9 changes: 8 additions & 1 deletion cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,13 @@ import "FlowYieldVaultsStrategiesV1_1"
/// - Must be signed by the account that deployed FlowYieldVaultsStrategies
/// - You can omit some collaterals by passing empty arrays and guarding in prepare{}
transaction(
// e.g. "A.0x...FlowYieldVaultsStrategiesV1_1.mUSDFStrategy"
strategyTypeIdentifier: String,

// collateral vault type (e.g. "A.0x...FlowToken.Vault")
tokenTypeIdentifier: String,

// yield token (EVM) address
yieldTokenEVMAddress: String,

// collateral path/fees: [YIELD, ..., <COLLATERAL>]
Expand All @@ -17,6 +23,8 @@ transaction(
) {

prepare(acct: auth(Storage, Capabilities, BorrowValue) &Account) {
let strategyType = CompositeType(strategyTypeIdentifier)
?? panic("Invalid strategyTypeIdentifier \(strategyTypeIdentifier)")
let tokenType = CompositeType(tokenTypeIdentifier)
?? panic("Invalid tokenTypeIdentifier \(tokenTypeIdentifier)")
// This tx must run on the same account that stores the issuer
Expand All @@ -38,7 +46,6 @@ transaction(
}

let composerType = Type<@FlowYieldVaultsStrategiesV1_1.mUSDFStrategyComposer>()
let strategyType = Type<@FlowYieldVaultsStrategiesV1_1.mUSDFStrategy>()

if swapPath.length > 0 {
issuer.addOrUpdateCollateralConfig(
Expand Down
41 changes: 41 additions & 0 deletions local/setup_mainnet.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,7 @@ flow transactions send ./lib/FlowCreditMarket/FlowActions/cadence/transactions/f

# Setup UniV3 path tauUSDFv -> USDF -> WFLOW
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.b1d63873c3cc9f79.FlowYieldVaultsStrategiesV1_1.mUSDFStrategy'
'A.1654653399040a61.FlowToken.Vault' \
"0xc52E820d2D6207D18667a97e2c6Ac22eB26E803c" \
'["0xc52E820d2D6207D18667a97e2c6Ac22eB26E803c","0x2aaBea2058b5aC2D339b163C6Ab6f2b6d53aabED","0xd3bF53DAC106A0290B0483EcBC89d40FcC961f3e"]' \
Expand All @@ -128,6 +129,7 @@ flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_mus

# Setup UniV3 path tauUSDFv -> USDF -> WBTC
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.b1d63873c3cc9f79.FlowYieldVaultsStrategiesV1_1.mUSDFStrategy'
'A.1e4aa0b87d10b141.EVMVMBridgedToken_717dae2baf7656be9a9b01dee31d571a9d4c9579.Vault' \
"0xc52E820d2D6207D18667a97e2c6Ac22eB26E803c" \
'["0xc52E820d2D6207D18667a97e2c6Ac22eB26E803c","0x2aaBea2058b5aC2D339b163C6Ab6f2b6d53aabED","0x717DAE2BaF7656BE9a9B01deE31d571a9d4c9579"]' \
Expand All @@ -137,13 +139,45 @@ flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_mus

# Setup UniV3 path tauUSDFv -> USDF -> WETH
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.b1d63873c3cc9f79.FlowYieldVaultsStrategiesV1_1.mUSDFStrategy'
'A.1e4aa0b87d10b141.EVMVMBridgedToken_2f6f07cdcf3588944bf4c42ac74ff24bf56e7590.Vault' \
"0xc52E820d2D6207D18667a97e2c6Ac22eB26E803c" \
'["0xc52E820d2D6207D18667a97e2c6Ac22eB26E803c","0x2aaBea2058b5aC2D339b163C6Ab6f2b6d53aabED","0x2F6F07CDcf3588944Bf4C42aC74ff24bF56e7590"]' \
'[100,3000]' \
--network mainnet \
--signer mainnet-admin


# Setup UniV3 path FUSDEV -> PYUSD0 -> WFLOW
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.b1d63873c3cc9f79.FlowYieldVaultsStrategiesV1_1.FUSDEVStrategy'
'A.1654653399040a61.FlowToken.Vault' \
"0xd069d989e2F44B70c65347d1853C0c67e10a9F8D" \
'["0xd069d989e2F44B70c65347d1853C0c67e10a9F8D","0x99aF3EeA856556646C98c8B9b2548Fe815240750","0xd3bF53DAC106A0290B0483EcBC89d40FcC961f3e"]' \
'[100,3000]' \
--network mainnet \
--signer mainnet-admin


# Setup UniV3 path FUSDEV -> PYUSD0 -> WBTC
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.b1d63873c3cc9f79.FlowYieldVaultsStrategiesV1_1.FUSDEVStrategy'
'A.1e4aa0b87d10b141.EVMVMBridgedToken_717dae2baf7656be9a9b01dee31d571a9d4c9579.Vault' \
"0xd069d989e2F44B70c65347d1853C0c67e10a9F8D" \
'["0xd069d989e2F44B70c65347d1853C0c67e10a9F8D","0x99aF3EeA856556646C98c8B9b2548Fe815240750","0x717DAE2BaF7656BE9a9B01deE31d571a9d4c9579"]' \
'[100,3000]' \
--network mainnet \
--signer mainnet-admin

# Setup UniV3 path FUSDEV -> PYUSD0 -> WETH
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.b1d63873c3cc9f79.FlowYieldVaultsStrategiesV1_1.FUSDEVStrategy'
'A.1e4aa0b87d10b141.EVMVMBridgedToken_2f6f07cdcf3588944bf4c42ac74ff24bf56e7590.Vault' \
"0xd069d989e2F44B70c65347d1853C0c67e10a9F8D" \
'["0xd069d989e2F44B70c65347d1853C0c67e10a9F8D","0x99aF3EeA856556646C98c8B9b2548Fe815240750","0x2F6F07CDcf3588944Bf4C42aC74ff24bF56e7590"]' \
'[100,3000]' \
--network mainnet \
--signer mainnet-admin
#
# add mUSDFStrategy as supported Strategy with the ability to initialize when new YieldVaults are created
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/add_strategy_composer.cdc \
Expand All @@ -153,6 +187,13 @@ flow transactions send ./cadence/transactions/flow-yield-vaults/admin/add_strate
--network mainnet \
--signer mainnet-admin

flow transactions send ./cadence/transactions/flow-yield-vaults/admin/add_strategy_composer.cdc \
'A.b1d63873c3cc9f79.FlowYieldVaultsStrategiesV1_1.FUSDEVStrategy' \
'A.b1d63873c3cc9f79.FlowYieldVaultsStrategiesV1_1.mUSDFStrategyComposer' \
/storage/FlowYieldVaultsStrategyV1_1ComposerIssuer_0xb1d63873c3cc9f79 \
--network mainnet \
--signer mainnet-admin

# configure PMStrategies strategy configs
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert-pm-strategy-config.cdc \
'A.b1d63873c3cc9f79.PMStrategiesV1.syWFLOWvStrategy' \
Expand Down
45 changes: 45 additions & 0 deletions local/setup_testnet.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,7 @@ flow transactions send ./cadence/transactions/flow-yield-vaults/admin/add_strate
--signer testnet-admin

flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.d2580caf2ef07c2f.FlowYieldVaultsStrategiesV1_1.mUSDFStrategy'
'A.7e60df042a9c0868.FlowToken.Vault' \
"0x4154d5B0E2931a0A1E5b733f19161aa7D2fc4b95" \
'["0x4154d5B0E2931a0A1E5b733f19161aa7D2fc4b95", "0xd3bF53DAC106A0290B0483EcBC89d40FcC961f3e"]' \
Expand All @@ -98,6 +99,7 @@ flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_mus

# WETH univ3 path and fees
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.d2580caf2ef07c2f.FlowYieldVaultsStrategiesV1_1.mUSDFStrategy'
'A.dfc20aee650fcbdf.EVMVMBridgedToken_059a77239dafa770977dd9f1e98632c3e4559848.Vault' \
"0x4154d5B0E2931a0A1E5b733f19161aa7D2fc4b95" \
'["0x4154d5B0E2931a0A1E5b733f19161aa7D2fc4b95","0x02d3575e2516a515E9B91a52b294Edc80DC7987c", "0x059A77239daFa770977DD9f1E98632C3E4559848"]' \
Expand All @@ -107,20 +109,63 @@ flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_mus

# WBTC univ3 path and fees
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.d2580caf2ef07c2f.FlowYieldVaultsStrategiesV1_1.mUSDFStrategy'
'A.dfc20aee650fcbdf.EVMVMBridgedToken_208d09d2a6dd176e3e95b3f0de172a7471c5b2d6.Vault' \
"0x4154d5B0E2931a0A1E5b733f19161aa7D2fc4b95" \
'["0x4154d5B0E2931a0A1E5b733f19161aa7D2fc4b95","0x02d3575e2516a515E9B91a52b294Edc80DC7987c","0x208d09d2a6Dd176e3e95b3F0DE172A7471C5B2d6"]' \
'[3000,3000]' \
--network testnet \
--signer testnet-admin


## PYUSD0 Vault
# WFLOW univ3 path and fees
# path: FUSDEV - WFLOW
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.d2580caf2ef07c2f.FlowYieldVaultsStrategiesV1_1.FUSDEVStrategy'
'A.7e60df042a9c0868.FlowToken.Vault' \
"0x61b44D19486EE492449E83C1201581C754e9e1E1" \
'["0x61b44D19486EE492449E83C1201581C754e9e1E1", "0xd3bF53DAC106A0290B0483EcBC89d40FcC961f3e"]' \
'[3000]' \
--network testnet \
--signer testnet-admin

# WETH univ3 path and fees
# path: FUSDEV - MOET - WETH
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.d2580caf2ef07c2f.FlowYieldVaultsStrategiesV1_1.FUSDEVStrategy'
'A.dfc20aee650fcbdf.EVMVMBridgedToken_059a77239dafa770977dd9f1e98632c3e4559848.Vault' \
"0x61b44D19486EE492449E83C1201581C754e9e1E1" \
'["0x61b44D19486EE492449E83C1201581C754e9e1E1","0x02d3575e2516a515E9B91a52b294Edc80DC7987c", "0x059A77239daFa770977DD9f1E98632C3E4559848"]' \
'[3000,3000]' \
--network testnet \
--signer testnet-admin

# WBTC univ3 path and fees
# path: FUSDEV - MOET - WETH
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert_musdf_config.cdc \
'A.d2580caf2ef07c2f.FlowYieldVaultsStrategiesV1_1.FUSDEVStrategy'
'A.dfc20aee650fcbdf.EVMVMBridgedToken_208d09d2a6dd176e3e95b3f0de172a7471c5b2d6.Vault' \
"0x61b44D19486EE492449E83C1201581C754e9e1E1" \
'["0x61b44D19486EE492449E83C1201581C754e9e1E1","0x02d3575e2516a515E9B91a52b294Edc80DC7987c","0x208d09d2a6Dd176e3e95b3F0DE172A7471C5B2d6"]' \
'[3000,3000]' \
--network testnet \
--signer testnet-admin

flow transactions send ./cadence/transactions/flow-yield-vaults/admin/add_strategy_composer.cdc \
'A.d2580caf2ef07c2f.FlowYieldVaultsStrategiesV1_1.mUSDFStrategy' \
'A.d2580caf2ef07c2f.FlowYieldVaultsStrategiesV1_1.mUSDFStrategyComposer' \
/storage/FlowYieldVaultsStrategyV1_1ComposerIssuer_0xd2580caf2ef07c2f \
--network testnet \
--signer testnet-admin

flow transactions send ./cadence/transactions/flow-yield-vaults/admin/add_strategy_composer.cdc \
'A.d2580caf2ef07c2f.FlowYieldVaultsStrategiesV1_1.FUSDEVStrategy' \
'A.d2580caf2ef07c2f.FlowYieldVaultsStrategiesV1_1.mUSDFStrategyComposer' \
/storage/FlowYieldVaultsStrategyV1_1ComposerIssuer_0xd2580caf2ef07c2f \
--network testnet \
--signer testnet-admin

# PYUSD0 Vault
flow transactions send ./cadence/transactions/flow-yield-vaults/admin/upsert-pm-strategy-config.cdc \
'A.d2580caf2ef07c2f.PMStrategiesV1.FUSDEVStrategy' \
Expand Down