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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package chain | ||
|
|
||
| import ( | ||
| "crypto/ecdsa" | ||
| "github.com/paulgoleary/local-luv-proto/crypto" | ||
| "github.com/umbracle/ethgo" | ||
| "github.com/umbracle/ethgo/contract" | ||
| "github.com/umbracle/ethgo/jsonrpc" | ||
| ) | ||
|
|
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| type govHelper struct { | ||
| gov *contract.Contract | ||
| votes *contract.Contract | ||
|
|
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| k *EcdsaKey | ||
| } | ||
|
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| func makeGovHelper(rpcUrl, skHex string, govAddr, votesAddr ethgo.Address) (gh *govHelper, err error) { | ||
|
|
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| var ec *jsonrpc.Client | ||
| if ec, err = jsonrpc.NewClient(rpcUrl); err != nil { | ||
| return | ||
| } | ||
|
|
||
| var sk *ecdsa.PrivateKey | ||
| if sk, err = crypto.SKFromHex(skHex); err != nil { | ||
| return | ||
| } | ||
|
|
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| gh = &govHelper{k: &EcdsaKey{SK: sk}} | ||
|
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| if gh.gov, err = LoadContract(ec, "SFLUVGovernor.sol/SFLUVGovernorV0", gh.k, govAddr); err != nil { | ||
| return | ||
| } | ||
|
|
||
| if gh.votes, err = LoadContract(ec, "SFLUVVotes.sol/SFLUVVotesV1", gh.k, votesAddr); err != nil { | ||
| return | ||
| } | ||
|
|
||
| return | ||
| } | ||
|
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| func (gh *govHelper) mintVote(toAddr ethgo.Address) (err error) { | ||
| if err = checkMinterRole(gh.votes, gh.k.Address()); err != nil { | ||
| return | ||
| } | ||
|
|
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| if err = TxnDoWait(gh.votes.Txn("mint", toAddr)); err != nil { | ||
| return | ||
| } | ||
|
|
||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| package chain | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/paulgoleary/local-luv-proto/crypto" | ||
| "github.com/stretchr/testify/require" | ||
| "os" | ||
| "testing" | ||
| ) | ||
|
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| func TestDAOMumbai(t *testing.T) { | ||
|
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| gh, err := makeGovHelper(os.Getenv("CHAIN_URL"), os.Getenv("CHAIN_SK"), LuvGovMumbaiAddr, LuvVotesMumbaiAddr) | ||
| require.NoError(t, err) | ||
|
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||
| for i := 0; i < 3; i++ { | ||
| sk, _ := crypto.RandSK() | ||
| ec := EcdsaKey{SK: sk} | ||
|
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| err = gh.mintVote(ec.Address()) | ||
| require.NoError(t, err) | ||
|
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| fmt.Printf("address '%v', sk '%v'\n", ec.Address().String(), ec.SKHex()) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| package chain | ||
|
|
||
| import ( | ||
| "crypto/ecdsa" | ||
| "fmt" | ||
| "github.com/paulgoleary/local-luv-proto/crypto" | ||
| "github.com/umbracle/ethgo" | ||
| "github.com/umbracle/ethgo/contract" | ||
| "github.com/umbracle/ethgo/jsonrpc" | ||
| "math/big" | ||
| ) | ||
|
|
||
| type mintHelper struct { | ||
| baseCoin *contract.Contract | ||
| luvCoin *contract.Contract | ||
|
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| luvAddr ethgo.Address | ||
| k *EcdsaKey | ||
| } | ||
|
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| func makeMintHelper(rpcUrl, skHex string, luvAddr, baseAddr ethgo.Address) (mh *mintHelper, err error) { | ||
|
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| var ec *jsonrpc.Client | ||
| if ec, err = jsonrpc.NewClient(rpcUrl); err != nil { | ||
| return | ||
| } | ||
|
|
||
| var sk *ecdsa.PrivateKey | ||
| if sk, err = crypto.SKFromHex(skHex); err != nil { | ||
| return | ||
| } | ||
|
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| mh = &mintHelper{k: &EcdsaKey{SK: sk}, luvAddr: luvAddr} | ||
|
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||
| if mh.luvCoin, err = LoadContract(ec, "SFLUVv1.sol/SFLUVv1", mh.k, luvAddr); err != nil { | ||
| return | ||
| } | ||
|
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| // MockCoin is ERC20 but also has the 'mint' method in case we need to mint base coins | ||
| if mh.baseCoin, err = LoadContract(ec, "MockCoin.sol/MockCoin", mh.k, baseAddr); err != nil { | ||
| return | ||
| } | ||
|
|
||
| return | ||
| } | ||
|
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| // check that the provided key has the MINTER role and - if not - attempt to add it | ||
| // note that the configured key has to be an ADMIN of the MINTER role | ||
| func checkMinterRole(c *contract.Contract, toAddr ethgo.Address) error { | ||
| resp, err := c.Call("MINTER_ROLE", ethgo.Latest) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| minterRole, ok := resp["0"].([32]byte) | ||
| if !ok { | ||
| return fmt.Errorf("should not happen - target contract does not support MINTER_ROLE") | ||
| } | ||
|
|
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| resp, err = c.Call("hasRole", ethgo.Latest, minterRole, toAddr) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| hasRole, ok := resp["0"].(bool) | ||
|
|
||
| if !hasRole { | ||
| if err = TxnDoWait(c.Txn("grantRole", minterRole, toAddr)); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
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| return nil | ||
| } | ||
|
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| // this only works if we're allowed to mint against the base coin contract - e.g. it's the mock coin | ||
| func (mh *mintHelper) mintBase(toAddr ethgo.Address, amt *big.Int) (err error) { | ||
|
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| var tx contract.Txn | ||
| if tx, err = mh.baseCoin.Txn("mint", toAddr, amt); err != nil { | ||
| return | ||
| } | ||
| tx.WithOpts(&contract.TxnOpts{GasLimit: 100_000}) | ||
|
|
||
| if err = TxnDoWait(tx, nil); err != nil { | ||
| return | ||
| } | ||
|
|
||
| return | ||
| } | ||
|
|
||
| // assumes provided key owns sufficient amount in base coin | ||
| func (mh *mintHelper) mintLuv(toAddr ethgo.Address, amt *big.Int) (err error) { | ||
|
|
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| if err = checkMinterRole(mh.luvCoin, mh.k.Address()); err != nil { | ||
| return | ||
| } | ||
|
|
||
| // function allowance(address owner, address spender) external view returns (uint256); | ||
| var resp map[string]any | ||
| if resp, err = mh.baseCoin.Call("allowance", ethgo.Latest, mh.k.Address(), mh.luvAddr); err != nil { | ||
| return | ||
| } | ||
| allowance, ok := resp["0"].(*big.Int) | ||
| if !ok { | ||
| err = fmt.Errorf("should not happen - 'allowance' method did not return proper result") | ||
| return | ||
| } | ||
| if allowance.Cmp(amt) < 0 { | ||
| // current allowance is not sufficient | ||
| allowance.Sub(amt, allowance) | ||
| // function approve(address spender, uint256 amount) public virtual override returns (bool) | ||
| if err = TxnDoWait(mh.baseCoin.Txn("approve", mh.luvAddr, allowance)); err != nil { | ||
| return | ||
| } | ||
| } | ||
|
|
||
| if err = TxnDoWait(mh.luvCoin.Txn("depositFor", toAddr, allowance)); err != nil { | ||
| return | ||
| } | ||
|
|
||
| return | ||
| } |
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