diff --git a/app/ethermint.go b/app/ethermint.go index 8343d72d..bad0e367 100644 --- a/app/ethermint.go +++ b/app/ethermint.go @@ -29,6 +29,7 @@ import ( "github.com/cosmos/ethermint/app/ante" eminttypes "github.com/cosmos/ethermint/types" "github.com/cosmos/ethermint/x/evm" + "github.com/cosmos/ethermint/x/faucet" abci "github.com/tendermint/tendermint/abci/types" "github.com/tendermint/tendermint/libs/log" @@ -64,6 +65,7 @@ var ( slashing.AppModuleBasic{}, evidence.AppModuleBasic{}, evm.AppModuleBasic{}, + faucet.AppModuleBasic{}, ) // module account permissions @@ -74,6 +76,7 @@ var ( staking.BondedPoolName: {supply.Burner, supply.Staking}, staking.NotBondedPoolName: {supply.Burner, supply.Staking}, gov.ModuleName: {supply.Burner}, + faucet.ModuleName: {supply.Minter}, } // module accounts that are allowed to receive tokens @@ -113,6 +116,7 @@ type EthermintApp struct { ParamsKeeper params.Keeper EvidenceKeeper evidence.Keeper EvmKeeper evm.Keeper + FaucetKeeper faucet.Keeper // the module manager mm *module.Manager @@ -144,6 +148,7 @@ func NewEthermintApp( bam.MainStoreKey, auth.StoreKey, bank.StoreKey, staking.StoreKey, supply.StoreKey, mint.StoreKey, distr.StoreKey, slashing.StoreKey, gov.StoreKey, params.StoreKey, evidence.StoreKey, evm.CodeKey, evm.StoreKey, + faucet.StoreKey, ) blockKey := sdk.NewKVStoreKey(evm.BlockKey) @@ -201,6 +206,10 @@ func NewEthermintApp( app.cdc, blockKey, keys[evm.CodeKey], keys[evm.StoreKey], app.AccountKeeper, app.BankKeeper, ) + // TODO: use protobuf + app.FaucetKeeper = faucet.NewKeeper( + app.cdc, keys[faucet.StoreKey], app.SupplyKeeper, + ) // create evidence keeper with router evidenceKeeper := evidence.NewKeeper( @@ -242,6 +251,7 @@ func NewEthermintApp( staking.NewAppModule(app.StakingKeeper, app.AccountKeeper, app.BankKeeper, app.SupplyKeeper), evidence.NewAppModule(app.EvidenceKeeper), evm.NewAppModule(app.EvmKeeper, app.AccountKeeper), + faucet.NewAppModule(app.FaucetKeeper), ) // During begin block slashing happens after distr.BeginBlocker so that @@ -261,6 +271,7 @@ func NewEthermintApp( auth.ModuleName, distr.ModuleName, staking.ModuleName, bank.ModuleName, slashing.ModuleName, gov.ModuleName, mint.ModuleName, supply.ModuleName, crisis.ModuleName, genutil.ModuleName, evidence.ModuleName, evm.ModuleName, + faucet.ModuleName, ) app.mm.RegisterInvariants(&app.CrisisKeeper) diff --git a/go.mod b/go.mod index d53291be..1eefadee 100644 --- a/go.mod +++ b/go.mod @@ -13,9 +13,11 @@ require ( github.com/ethereum/go-ethereum v1.9.13 github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 // indirect github.com/gogo/protobuf v1.3.1 - github.com/golangci/golangci-lint v1.23.8 // indirect github.com/gorilla/mux v1.7.4 github.com/huin/goupnp v1.0.0 // indirect + github.com/mattn/go-colorable v0.1.4 // indirect + github.com/onsi/ginkgo v1.11.0 // indirect + github.com/onsi/gomega v1.8.1 // indirect github.com/pkg/errors v0.9.1 github.com/prometheus/tsdb v0.9.1 // indirect github.com/regen-network/cosmos-proto v0.1.1-0.20200213154359-02baa11ea7c2 @@ -31,3 +33,5 @@ require ( golang.org/x/crypto v0.0.0-20200311171314-f7b00557c8c4 gopkg.in/yaml.v2 v2.3.0 ) + +replace github.com/cosmos/cosmos-sdk => github.com/cosmos/cosmos-sdk v0.34.4-0.20200403200637-7f78e61b93a5 diff --git a/go.sum b/go.sum index 0877ce31..dda575de 100644 --- a/go.sum +++ b/go.sum @@ -34,8 +34,6 @@ github.com/ChainSafe/go-schnorrkel v0.0.0-20200102211924-4bcbc698314f/go.mod h1: github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0= github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU= github.com/OneOfOne/xxhash v1.2.5/go.mod h1:eZbhyaAYD41SGSSsnmcpxVoRiQ/MPUTjUdIIOT9Um7Q= -github.com/OpenPeeDeeP/depguard v1.0.1 h1:VlW4R6jmBIv3/u1JNlawEvJMM4J+dPORPaZasQee8Us= -github.com/OpenPeeDeeP/depguard v1.0.1/go.mod h1:xsIw86fROiiwelg+jB2uM9PiKihMMmUx/1V+TNhjQvM= github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo= github.com/Shopify/sarama v1.26.1/go.mod h1:NbSGBSSndYaIhRcBtY9V0U7AyH+x71bG668AuWys/yU= github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI= @@ -78,8 +76,6 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r github.com/bgentry/speakeasy v0.1.0 h1:ByYyxL9InA1OWqxJqqp2A5pYHUrCiAL6K3J+LKSsQkY= github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs= github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84= -github.com/bombsimon/wsl/v2 v2.0.0 h1:+Vjcn+/T5lSrO8Bjzhk4v14Un/2UyCA1E3V5j9nwTkQ= -github.com/bombsimon/wsl/v2 v2.0.0/go.mod h1:mf25kr/SqFEPhhcxW1+7pxzGlW+hIl/hYTKY95VwV8U= github.com/btcsuite/btcd v0.0.0-20171128150713-2e60448ffcc6/go.mod h1:Dmm/EzmjnCiweXmzRIAiUWCInVmPgjkzgv5k4tVyXiQ= github.com/btcsuite/btcd v0.0.0-20190115013929-ed77733ec07d/go.mod h1:d3C0AkH6BRcvO8T0UEPu53cnw4IbV63x1bEjildYhO0= github.com/btcsuite/btcd v0.20.1-beta h1:Ik4hyJqN8Jfyv3S4AGBOmyouMsYE3EdYODkMbQjwPGw= @@ -113,7 +109,6 @@ github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk= github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= -github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk= github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= @@ -128,7 +123,6 @@ github.com/cosmos/ledger-cosmos-go v0.11.1 h1:9JIYsGnXP613pb2vPjFeMMjBI5lEDsEaF6 github.com/cosmos/ledger-cosmos-go v0.11.1/go.mod h1:J8//BsAGTo3OC/vDLjMRFLW6q0WAaXvHnVc7ZmE8iUY= github.com/cosmos/ledger-go v0.9.2 h1:Nnao/dLwaVTk1Q5U9THldpUMMXU94BOTWPddSmVB6pI= github.com/cosmos/ledger-go v0.9.2/go.mod h1:oZJ2hHAZROdlHiwTg4t7kP+GKIIkBT+o6c9QWFanOyI= -github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE= github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY= @@ -192,15 +186,11 @@ github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff/go.mod h1:x github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= github.com/gibson042/canonicaljson-go v1.0.3 h1:EAyF8L74AWabkyUmrvEFHEt/AGFQeD6RfwbAuf0j1bI= github.com/gibson042/canonicaljson-go v1.0.3/go.mod h1:DsLpJTThXyGNO+KZlI85C1/KDcImpP67k/RKVjcaEqo= -github.com/go-critic/go-critic v0.4.1 h1:4DTQfT1wWwLg/hzxwD9bkdhDQrdJtxe6DUTadPlrIeE= -github.com/go-critic/go-critic v0.4.1/go.mod h1:7/14rZGnZbY6E38VEGk2kVhoq6itzc1E68facVDK23g= github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= github.com/go-kit/kit v0.10.0 h1:dXFJfIHVvUcpSgDOV+Ne6t7jXri8Tfv2uOLHUZ2XNuo= github.com/go-kit/kit v0.10.0/go.mod h1:xUsJbQ/Fp4kEt7AFgCuvyX4a71u8h9jB8tj/ORgOZ7o= -github.com/go-lintpack/lintpack v0.5.2 h1:DI5mA3+eKdWeJ40nU4d6Wc26qmdG8RCi/btYq0TuRN0= -github.com/go-lintpack/lintpack v0.5.2/go.mod h1:NwZuYi2nUHho8XEIZ6SIxihrnPoqBTDqfpXvXAN0sXM= github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE= github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk= github.com/go-logfmt/logfmt v0.5.0 h1:TrB8swr/68K7m9CcGut2g3UOihhbcbiMAYiuTXdEih4= @@ -210,32 +200,8 @@ github.com/go-sourcemap/sourcemap v2.1.2+incompatible/go.mod h1:F8jJfvm2KbVjc5Nq github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk= github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY= -github.com/go-toolsmith/astcast v1.0.0 h1:JojxlmI6STnFVG9yOImLeGREv8W2ocNUM+iOhR6jE7g= -github.com/go-toolsmith/astcast v1.0.0/go.mod h1:mt2OdQTeAQcY4DQgPSArJjHCcOwlX+Wl/kwN+LbLGQ4= -github.com/go-toolsmith/astcopy v1.0.0 h1:OMgl1b1MEpjFQ1m5ztEO06rz5CUd3oBv9RF7+DyvdG8= -github.com/go-toolsmith/astcopy v1.0.0/go.mod h1:vrgyG+5Bxrnz4MZWPF+pI4R8h3qKRjjyvV/DSez4WVQ= -github.com/go-toolsmith/astequal v0.0.0-20180903214952-dcb477bfacd6/go.mod h1:H+xSiq0+LtiDC11+h1G32h7Of5O3CYFJ99GVbS5lDKY= -github.com/go-toolsmith/astequal v1.0.0 h1:4zxD8j3JRFNyLN46lodQuqz3xdKSrur7U/sr0SDS/gQ= -github.com/go-toolsmith/astequal v1.0.0/go.mod h1:H+xSiq0+LtiDC11+h1G32h7Of5O3CYFJ99GVbS5lDKY= -github.com/go-toolsmith/astfmt v0.0.0-20180903215011-8f8ee99c3086/go.mod h1:mP93XdblcopXwlyN4X4uodxXQhldPGZbcEJIimQHrkg= -github.com/go-toolsmith/astfmt v1.0.0 h1:A0vDDXt+vsvLEdbMFJAUBI/uTbRw1ffOPnxsILnFL6k= -github.com/go-toolsmith/astfmt v1.0.0/go.mod h1:cnWmsOAuq4jJY6Ct5YWlVLmcmLMn1JUPuQIHCY7CJDw= -github.com/go-toolsmith/astinfo v0.0.0-20180906194353-9809ff7efb21/go.mod h1:dDStQCHtmZpYOmjRP/8gHHnCCch3Zz3oEgCdZVdtweU= -github.com/go-toolsmith/astp v0.0.0-20180903215135-0af7e3c24f30/go.mod h1:SV2ur98SGypH1UjcPpCatrV5hPazG6+IfNHbkDXBRrk= -github.com/go-toolsmith/astp v1.0.0 h1:alXE75TXgcmupDsMK1fRAy0YUzLzqPVvBKoyWV+KPXg= -github.com/go-toolsmith/astp v1.0.0/go.mod h1:RSyrtpVlfTFGDYRbrjyWP1pYu//tSFcvdYrA8meBmLI= -github.com/go-toolsmith/pkgload v0.0.0-20181119091011-e9e65178eee8/go.mod h1:WoMrjiy4zvdS+Bg6z9jZH82QXwkcgCBX6nOfnmdaHks= -github.com/go-toolsmith/pkgload v1.0.0/go.mod h1:5eFArkbO80v7Z0kdngIxsRXRMTaX4Ilcwuh3clNrQJc= -github.com/go-toolsmith/strparse v1.0.0 h1:Vcw78DnpCAKlM20kSbAyO4mPfJn/lyYA4BJUDxe2Jb4= -github.com/go-toolsmith/strparse v1.0.0/go.mod h1:YI2nUKP9YGZnL/L1/DLFBfixrcjslWct4wyljWhSRy8= -github.com/go-toolsmith/typep v1.0.0 h1:zKymWyA1TRYvqYrYDrfEMZULyrhcnGY3x7LDKU2XQaA= -github.com/go-toolsmith/typep v1.0.0/go.mod h1:JSQCQMUPdRlMZFswiq3TGpNp1GMktqkR2Ns5AIQkATU= -github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y= -github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8= github.com/godbus/dbus v0.0.0-20190726142602-4481cbc300e2 h1:ZpnhV/YsD2/4cESfV5+Hoeu/iUR3ruzNvZ+yQfO03a0= github.com/godbus/dbus v0.0.0-20190726142602-4481cbc300e2/go.mod h1:bBOAhwG1umN6/6ZUMtDFBMQR8jRg9O75tm9K00oMsK4= -github.com/gofrs/flock v0.0.0-20190320160742-5135e617513b h1:ekuhfTjngPhisSjOJ0QWKpPQE8/rbknHaes6WVJj5Hw= -github.com/gofrs/flock v0.0.0-20190320160742-5135e617513b/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU= github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFGgqEef3s= github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= @@ -266,36 +232,6 @@ github.com/golang/protobuf v1.4.0-rc.4/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9c github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4= github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= -github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2 h1:23T5iq8rbUYlhpt5DB4XJkc6BU31uODLD1o1gKvZmD0= -github.com/golangci/check 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golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= -golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= @@ -789,7 +671,6 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= -golang.org/x/net v0.0.0-20180911220305-26e67e76b6c3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -808,7 +689,6 @@ golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLL golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= -golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200301022130-244492dfa37a h1:GuSPYbZzB5/dcLNCwLQLsg3obCJtX9IJhpXkvY7kzk0= @@ -831,7 +711,6 @@ golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5h golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -844,7 +723,6 @@ golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -861,41 +739,28 @@ golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxb golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= -golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= -golang.org/x/tools v0.0.0-20181117154741-2ddaf7f79a09/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= -golang.org/x/tools v0.0.0-20190110163146-51295c7ec13a/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= -golang.org/x/tools v0.0.0-20190221204921-83362c3779f5/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY= golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY= golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= -golang.org/x/tools v0.0.0-20190311215038-5c2858a9cfe5/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= golang.org/x/tools 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h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= @@ -993,16 +857,8 @@ honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWh honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM= honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= -mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed h1:WX1yoOaKQfddO/mLzdV4wptyWgoH/6hwLs7QHTixo0I= -mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc= -mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b h1:DxJ5nJdkhDlLok9K6qO+5290kphDJbHOQO1DFFFTeBo= -mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4= -mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f h1:Cq7MalBHYACRd6EesksG1Q8EoIAKOsiZviGKbOLIej4= -mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f/go.mod h1:4G1h5nDURzA3bwVMZIVpwbkw+04kSxk3rAtzlimaUJw= rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0= rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA= sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o= sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU= -sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4 h1:JPJh2pk3+X4lXAkZIk2RuE/7/FoK9maXw+TNPJhVS/c= -sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0= diff --git a/x/faucet/alias.go b/x/faucet/alias.go new file mode 100644 index 00000000..f280118e --- /dev/null +++ b/x/faucet/alias.go @@ -0,0 +1,24 @@ +package faucet + +import ( + "github.com/cosmos/ethermint/x/faucet/keeper" + "github.com/cosmos/ethermint/x/faucet/types" +) + +const ( + ModuleName = types.ModuleName + RouterKey = types.RouterKey + StoreKey = types.StoreKey + QuerierRoute = types.QuerierRoute +) + +var ( + NewKeeper = keeper.NewKeeper + NewQuerier = keeper.NewQuerier + ModuleCdc = types.ModuleCdc + RegisterCodec = types.RegisterCodec +) + +type ( + Keeper = keeper.Keeper +) diff --git a/x/faucet/client/cli/query.go b/x/faucet/client/cli/query.go new file mode 100644 index 00000000..1b6f7238 --- /dev/null +++ b/x/faucet/client/cli/query.go @@ -0,0 +1,52 @@ +package cli + +import ( + "fmt" + + "github.com/spf13/cobra" + + "github.com/cosmos/cosmos-sdk/client" + "github.com/cosmos/cosmos-sdk/client/context" + "github.com/cosmos/cosmos-sdk/client/flags" + "github.com/cosmos/cosmos-sdk/codec" + + sdk "github.com/cosmos/cosmos-sdk/types" + "github.com/cosmos/ethermint/x/faucet/types" +) + +// GetQueryCmd defines evm module queries through the cli +func GetQueryCmd(cdc *codec.Codec) *cobra.Command { + faucetQueryCmd := &cobra.Command{ + Use: types.ModuleName, + Short: fmt.Sprintf("Querying commands for the %s module", types.ModuleName), + DisableFlagParsing: true, + SuggestionsMinimumDistance: 2, + RunE: client.ValidateCmd, + } + faucetQueryCmd.AddCommand(flags.GetCommands( + GetCmdFunded(cdc), + )...) + return faucetQueryCmd +} + +// GetCmdFunded queries the total amount funded by the faucet. +func GetCmdFunded(cdc *codec.Codec) *cobra.Command { + return &cobra.Command{ + Use: "funded", + Short: "Gets storage for an account at a given key", + Args: cobra.NoArgs, + RunE: func(cmd *cobra.Command, args []string) error { + cliCtx := context.NewCLIContext().WithCodec(cdc) + + res, height, err := cliCtx.Query(fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryFunded)) + if err != nil { + return err + } + + var out sdk.Coins + cdc.MustUnmarshalJSON(res, &out) + cliCtx = cliCtx.WithHeight(height) + return cliCtx.PrintOutput(out) + }, + } +} diff --git a/x/faucet/client/cli/tx.go b/x/faucet/client/cli/tx.go new file mode 100644 index 00000000..2ad3464b --- /dev/null +++ b/x/faucet/client/cli/tx.go @@ -0,0 +1,71 @@ +package cli + +import ( + "bufio" + + "github.com/spf13/cobra" + + "github.com/cosmos/cosmos-sdk/client" + "github.com/cosmos/cosmos-sdk/client/context" + "github.com/cosmos/cosmos-sdk/client/flags" + "github.com/cosmos/cosmos-sdk/codec" + sdk "github.com/cosmos/cosmos-sdk/types" + "github.com/cosmos/cosmos-sdk/x/auth" + authclient "github.com/cosmos/cosmos-sdk/x/auth/client" + + "github.com/cosmos/ethermint/x/faucet/types" +) + +// GetTxCmd return faucet sub-command for tx +func GetTxCmd(cdc *codec.Codec) *cobra.Command { + faucetTxCmd := &cobra.Command{ + Use: types.ModuleName, + Short: "faucet transaction subcommands", + DisableFlagParsing: true, + SuggestionsMinimumDistance: 2, + RunE: client.ValidateCmd, + } + + faucetTxCmd.AddCommand(flags.PostCommands( + GetCmdFund(cdc), + )...) + + return faucetTxCmd +} + +// GetCmdFund is the CLI command to fund an address with the requested coins +func GetCmdFund(cdc *codec.Codec) *cobra.Command { + return &cobra.Command{ + Use: "fund [amount] [other-recipient (optional)]", + Short: "fund an address with the requested coins", + Args: cobra.RangeArgs(1, 2), + RunE: func(cmd *cobra.Command, args []string) error { + inBuf := bufio.NewReader(cmd.InOrStdin()) + cliCtx := context.NewCLIContext().WithCodec(cdc) + txBldr := auth.NewTxBuilderFromCLI(inBuf).WithTxEncoder(authclient.GetTxEncoder(cdc)) + + amount, err := sdk.ParseCoins(args[0]) + if err != nil { + return err + } + + var recipient sdk.AccAddress + if len(args) == 1 { + recipient = cliCtx.GetFromAddress() + } else { + recipient, err = sdk.AccAddressFromBech32(args[1]) + } + + if err != nil { + return err + } + + msg := types.NewMsgFund(amount, cliCtx.GetFromAddress(), recipient) + if err := msg.ValidateBasic(); err != nil { + return err + } + + return authclient.GenerateOrBroadcastMsgs(cliCtx, txBldr, []sdk.Msg{msg}) + }, + } +} diff --git a/x/faucet/client/rest/tx.go b/x/faucet/client/rest/tx.go new file mode 100644 index 00000000..6d26b015 --- /dev/null +++ b/x/faucet/client/rest/tx.go @@ -0,0 +1,82 @@ +package rest + +import ( + "fmt" + "net/http" + + "github.com/gorilla/mux" + + "github.com/cosmos/cosmos-sdk/client/context" + sdk "github.com/cosmos/cosmos-sdk/types" + "github.com/cosmos/cosmos-sdk/types/rest" + authclient "github.com/cosmos/cosmos-sdk/x/auth/client" + + "github.com/cosmos/ethermint/x/faucet/types" +) + +// RegisterRoutes register REST endpoints for the faucet module +func RegisterRoutes(cliCtx context.CLIContext, r *mux.Router) { + r.HandleFunc(fmt.Sprintf("/%s/fund", types.ModuleName), fundHandlerFn(cliCtx)).Methods("POST") + r.HandleFunc(fmt.Sprintf("/%s/funded", types.ModuleName), fundedHandlerFn(cliCtx)).Methods("GET") +} + +// PostFundRequest defines fund request's body. +type PostFundRequest struct { + BaseReq rest.BaseReq `json:"base_req" yaml:"base_req"` + Amount sdk.Coins `json:"amount" yaml:"amount"` + Recipient string `json:"receipient" yaml:"receipient"` +} + +func fundHandlerFn(cliCtx context.CLIContext) http.HandlerFunc { + return func(w http.ResponseWriter, r *http.Request) { + var req PostFundRequest + if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) { + rest.WriteErrorResponse(w, http.StatusBadRequest, "failed to parse request") + return + } + + baseReq := req.BaseReq.Sanitize() + if !baseReq.ValidateBasic(w) { + return + } + + sender, err := sdk.AccAddressFromBech32(baseReq.From) + if err != nil { + rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error()) + return + } + + var recipient sdk.AccAddress + if req.Recipient == "" { + recipient = sender + } else { + recipient, err = sdk.AccAddressFromBech32(req.Recipient) + } + + if err != nil { + rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error()) + return + } + + msg := types.NewMsgFund(req.Amount, sender, recipient) + err = msg.ValidateBasic() + if err != nil { + rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error()) + return + } + + authclient.WriteGenerateStdTxResponse(w, cliCtx, baseReq, []sdk.Msg{msg}) + } +} + +func fundedHandlerFn(cliCtx context.CLIContext) http.HandlerFunc { + return func(w http.ResponseWriter, r *http.Request) { + res, height, err := cliCtx.Query(fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryFunded)) + if rest.CheckInternalServerError(w, err) { + return + } + + cliCtx = cliCtx.WithHeight(height) + rest.PostProcessResponse(w, cliCtx, res) + } +} diff --git a/x/faucet/genesis.go b/x/faucet/genesis.go new file mode 100644 index 00000000..3625b15e --- /dev/null +++ b/x/faucet/genesis.go @@ -0,0 +1,33 @@ +package faucet + +import ( + "fmt" + + sdk "github.com/cosmos/cosmos-sdk/types" + "github.com/cosmos/ethermint/x/faucet/types" + abci "github.com/tendermint/tendermint/abci/types" +) + +// InitGenesis initializes genesis state based on exported genesis +func InitGenesis(ctx sdk.Context, k Keeper, data types.GenesisState) []abci.ValidatorUpdate { + if acc := k.GetFaucetAccount(ctx); acc == nil { + panic(fmt.Sprintf("%s module account has not been set", ModuleName)) + } + + k.SetEnabled(ctx, data.EnableFaucet) + k.SetTimout(ctx, data.Timeout) + k.SetCap(ctx, data.FaucetCap) + k.SetMaxPerRequest(ctx, data.MaxAmountPerRequest) + + return []abci.ValidatorUpdate{} +} + +// ExportGenesis exports genesis state +func ExportGenesis(ctx sdk.Context, k Keeper) types.GenesisState { + return types.GenesisState{ + EnableFaucet: k.IsEnabled(ctx), + Timeout: k.GetTimeout(ctx), + FaucetCap: k.GetCap(ctx), + MaxAmountPerRequest: k.GetMaxPerRequest(ctx), + } +} diff --git a/x/faucet/handler.go b/x/faucet/handler.go new file mode 100644 index 00000000..0550161a --- /dev/null +++ b/x/faucet/handler.go @@ -0,0 +1,43 @@ +package faucet + +import ( + sdk "github.com/cosmos/cosmos-sdk/types" + sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" + + "github.com/cosmos/ethermint/x/faucet/types" +) + +// NewHandler returns a handler for faucet messages. +func NewHandler(keeper Keeper) sdk.Handler { + return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) { + ctx = ctx.WithEventManager(sdk.NewEventManager()) + switch msg := msg.(type) { + case types.MsgFund: + return handleMsgFund(ctx, keeper, msg) + default: + return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", ModuleName, msg) + } + } +} + +// handleMsgFund handles a message to fund an address +func handleMsgFund(ctx sdk.Context, keeper Keeper, msg types.MsgFund) (*sdk.Result, error) { + err := keeper.Fund(ctx, msg.Amount, msg.Recipient) + if err != nil { + return nil, err + } + + ctx.EventManager().EmitEvent( + sdk.NewEvent( + sdk.EventTypeMessage, + sdk.NewAttribute(sdk.AttributeKeyModule, types.ModuleName), + sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender.String()), + sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Amount.String()), + sdk.NewAttribute(types.AttributeRecipient, msg.Recipient.String()), + ), + ) + + return &sdk.Result{ + Events: ctx.EventManager().ABCIEvents(), + }, nil +} diff --git a/x/faucet/keeper/keeper.go b/x/faucet/keeper/keeper.go new file mode 100644 index 00000000..80a4a087 --- /dev/null +++ b/x/faucet/keeper/keeper.go @@ -0,0 +1,209 @@ +package keeper + +import ( + "errors" + "fmt" + "time" + + "github.com/tendermint/tendermint/libs/log" + + "github.com/cosmos/cosmos-sdk/codec" + sdk "github.com/cosmos/cosmos-sdk/types" + supplyexported "github.com/cosmos/cosmos-sdk/x/supply/exported" + + "github.com/cosmos/ethermint/x/faucet/types" +) + +// Keeper defines the faucet Keeper. +type Keeper struct { + cdc *codec.Codec + storeKey sdk.StoreKey + supplyKeeper types.SupplyKeeper + + // History of users and their funding timeouts. They are reset if the app is reinitialized. + timeouts map[string]time.Time +} + +// NewKeeper creates a new faucet Keeper instance. +func NewKeeper( + cdc *codec.Codec, storeKey sdk.StoreKey, supplyKeeper types.SupplyKeeper, +) Keeper { + return Keeper{ + cdc: cdc, + storeKey: storeKey, + supplyKeeper: supplyKeeper, + timeouts: make(map[string]time.Time), + } +} + +// Logger returns a module-specific logger. +func (k Keeper) Logger(ctx sdk.Context) log.Logger { + return ctx.Logger().With("module", fmt.Sprintf("x/%s", types.ModuleName)) +} + +// GetFaucetAccount returns the faucet ModuleAccount +func (k Keeper) GetFaucetAccount(ctx sdk.Context) supplyexported.ModuleAccountI { + return k.supplyKeeper.GetModuleAccount(ctx, types.ModuleName) +} + +// Fund checks for timeout and max thresholds and then mints coins and transfers +// coins to the recipient. +func (k Keeper) Fund(ctx sdk.Context, amount sdk.Coins, recipient sdk.AccAddress) error { + if !k.IsEnabled(ctx) { + return errors.New("faucet is not enabled. Restart the application and set faucet's 'enable_faucet' genesis field to true") + } + + if err := k.rateLimit(ctx, recipient.String()); err != nil { + return err + } + + totalRequested := sdk.ZeroInt() + for _, coin := range amount { + totalRequested = totalRequested.Add(coin.Amount) + } + + maxPerReq := k.GetMaxPerRequest(ctx) + if totalRequested.GT(maxPerReq) { + return fmt.Errorf("canot fund more than %s per request. requested %s", maxPerReq, totalRequested) + } + + funded := k.GetFunded(ctx) + totalFunded := sdk.ZeroInt() + for _, coin := range funded { + totalFunded = totalFunded.Add(coin.Amount) + } + + cap := k.GetCap(ctx) + + if totalFunded.Add(totalRequested).GT(cap) { + return fmt.Errorf("maximum cap of %s reached. Cannot continue funding", cap) + } + + if err := k.supplyKeeper.MintCoins(ctx, types.ModuleName, amount); err != nil { + return err + } + + if err := k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, recipient, amount); err != nil { + return err + } + + k.SetFunded(ctx, funded.Add(amount...)) + + k.Logger(ctx).Info(fmt.Sprintf("funded %s to %s", amount, recipient)) + return nil +} + +func (k Keeper) GetTimeout(ctx sdk.Context) time.Duration { + store := ctx.KVStore(k.storeKey) + bz := store.Get(types.TimeoutKey) + if len(bz) == 0 { + return time.Duration(0) + } + + var timeout time.Duration + k.cdc.MustUnmarshalBinaryBare(bz, &timeout) + + return timeout +} + +func (k Keeper) SetTimout(ctx sdk.Context, timeout time.Duration) { + store := ctx.KVStore(k.storeKey) + bz := k.cdc.MustMarshalBinaryBare(timeout) + store.Set(types.TimeoutKey, bz) +} + +func (k Keeper) IsEnabled(ctx sdk.Context) bool { + store := ctx.KVStore(k.storeKey) + bz := store.Get(types.EnableFaucetKey) + if len(bz) == 0 { + return false + } + + var enabled bool + k.cdc.MustUnmarshalBinaryBare(bz, &enabled) + return enabled +} + +func (k Keeper) SetEnabled(ctx sdk.Context, enabled bool) { + store := ctx.KVStore(k.storeKey) + bz := k.cdc.MustMarshalBinaryBare(enabled) + store.Set(types.EnableFaucetKey, bz) +} + +func (k Keeper) GetCap(ctx sdk.Context) sdk.Int { + store := ctx.KVStore(k.storeKey) + bz := store.Get(types.CapKey) + if len(bz) == 0 { + return sdk.ZeroInt() + } + + var cap sdk.Int + k.cdc.MustUnmarshalBinaryBare(bz, &cap) + + return cap +} + +func (k Keeper) SetCap(ctx sdk.Context, cap sdk.Int) { + store := ctx.KVStore(k.storeKey) + bz := k.cdc.MustMarshalBinaryBare(cap) + store.Set(types.CapKey, bz) +} + +func (k Keeper) GetMaxPerRequest(ctx sdk.Context) sdk.Int { + store := ctx.KVStore(k.storeKey) + bz := store.Get(types.MaxPerRequestKey) + if len(bz) == 0 { + return sdk.ZeroInt() + } + + var maxPerReq sdk.Int + k.cdc.MustUnmarshalBinaryBare(bz, &maxPerReq) + + return maxPerReq +} + +func (k Keeper) SetMaxPerRequest(ctx sdk.Context, maxPerReq sdk.Int) { + store := ctx.KVStore(k.storeKey) + bz := k.cdc.MustMarshalBinaryBare(maxPerReq) + store.Set(types.MaxPerRequestKey, bz) +} + +func (k Keeper) GetFunded(ctx sdk.Context) sdk.Coins { + store := ctx.KVStore(k.storeKey) + bz := store.Get(types.FundedKey) + if len(bz) == 0 { + return nil + } + + var funded sdk.Coins + k.cdc.MustUnmarshalBinaryBare(bz, &funded) + + return funded +} + +func (k Keeper) SetFunded(ctx sdk.Context, funded sdk.Coins) { + store := ctx.KVStore(k.storeKey) + bz := k.cdc.MustMarshalBinaryBare(funded) + store.Set(types.FundedKey, bz) +} + +func (k Keeper) rateLimit(ctx sdk.Context, address string) error { + // first time requester, can send request + lastRequest, ok := k.timeouts[address] + if !ok { + k.timeouts[address] = time.Now().UTC() + return nil + } + + defaultTimeout := k.GetTimeout(ctx) + sinceLastRequest := time.Since(lastRequest) + + if defaultTimeout > sinceLastRequest { + wait := defaultTimeout - sinceLastRequest + return fmt.Errorf("%s has requested funds within the last %s, wait %s before trying again", address, defaultTimeout.String(), wait.String()) + } + + // user able to send funds since they have waited for period + k.timeouts[address] = time.Now().UTC() + return nil +} diff --git a/x/faucet/keeper/querier.go b/x/faucet/keeper/querier.go new file mode 100644 index 00000000..e7992cc0 --- /dev/null +++ b/x/faucet/keeper/querier.go @@ -0,0 +1,33 @@ +package keeper + +import ( + abci "github.com/tendermint/tendermint/abci/types" + + "github.com/cosmos/cosmos-sdk/codec" + sdk "github.com/cosmos/cosmos-sdk/types" + sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" + "github.com/cosmos/ethermint/x/faucet/types" +) + +// NewQuerier is the module level router for state queries +func NewQuerier(k Keeper) sdk.Querier { + return func(ctx sdk.Context, path []string, req abci.RequestQuery) (res []byte, err error) { + switch path[0] { + case types.QueryFunded: + return queryFunded(ctx, req, k) + default: + return nil, sdkerrors.Wrap(sdkerrors.ErrUnknownRequest, "unknown query endpoint") + } + } +} + +func queryFunded(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, error) { + funded := k.GetFunded(ctx) + + bz, err := codec.MarshalJSONIndent(k.cdc, funded) + if err != nil { + return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error()) + } + + return bz, nil +} diff --git a/x/faucet/module.go b/x/faucet/module.go new file mode 100644 index 00000000..46ac8b61 --- /dev/null +++ b/x/faucet/module.go @@ -0,0 +1,137 @@ +package faucet + +import ( + "encoding/json" + "fmt" + + "github.com/gorilla/mux" + "github.com/spf13/cobra" + + abci "github.com/tendermint/tendermint/abci/types" + + "github.com/cosmos/cosmos-sdk/client/context" + "github.com/cosmos/cosmos-sdk/codec" + sdk "github.com/cosmos/cosmos-sdk/types" + "github.com/cosmos/cosmos-sdk/types/module" + + "github.com/cosmos/ethermint/x/faucet/client/cli" + "github.com/cosmos/ethermint/x/faucet/client/rest" + "github.com/cosmos/ethermint/x/faucet/types" +) + +// type check to ensure the interface is properly implemented +var ( + _ module.AppModule = AppModule{} + _ module.AppModuleBasic = AppModuleBasic{} +) + +// AppModuleBasic defines the basic application module used by the faucet module. +type AppModuleBasic struct{} + +// Name returns the faucet module's name. +func (AppModuleBasic) Name() string { + return types.ModuleName +} + +// RegisterCodec registers the faucet module's types for the given codec. +func (AppModuleBasic) RegisterCodec(cdc *codec.Codec) { + RegisterCodec(cdc) +} + +// DefaultGenesis returns default genesis state as raw bytes for the faucet +// module. +func (AppModuleBasic) DefaultGenesis(cdc codec.JSONMarshaler) json.RawMessage { + return cdc.MustMarshalJSON(types.DefaultGenesisState()) +} + +// ValidateGenesis performs genesis state validation for the faucet module. +func (AppModuleBasic) ValidateGenesis(cdc codec.JSONMarshaler, bz json.RawMessage) error { + var genesisState types.GenesisState + if err := cdc.UnmarshalJSON(bz, &genesisState); err != nil { + return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err) + } + + return genesisState.Validate() +} + +// RegisterRESTRoutes registers the REST routes for the faucet module. +func (AppModuleBasic) RegisterRESTRoutes(ctx context.CLIContext, rtr *mux.Router) { + rest.RegisterRoutes(ctx, rtr) +} + +// GetTxCmd returns the root tx command for the faucet module. +func (AppModuleBasic) GetTxCmd(cdc *codec.Codec) *cobra.Command { + return cli.GetTxCmd(cdc) +} + +// GetQueryCmd returns no root query command for the faucet module. +func (AppModuleBasic) GetQueryCmd(cdc *codec.Codec) *cobra.Command { + return cli.GetQueryCmd(cdc) +} + +type AppModule struct { + AppModuleBasic + keeper Keeper +} + +// NewAppModule creates a new AppModule Object +func NewAppModule(k Keeper) AppModule { + return AppModule{ + AppModuleBasic: AppModuleBasic{}, + keeper: k, + } +} + +// Name returns the faucet module's name. +func (AppModule) Name() string { + return ModuleName +} + +// RegisterInvariants registers the faucet module invariants. +func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {} + +// Route returns the message routing key for the faucet module. +func (AppModule) Route() string { + return RouterKey +} + +// NewHandler returns an sdk.Handler for the faucet module. +func (am AppModule) NewHandler() sdk.Handler { + return NewHandler(am.keeper) +} + +// QuerierRoute returns the faucet module's querier route name. +func (AppModule) QuerierRoute() string { + return QuerierRoute +} + +// NewQuerierHandler returns the faucet module sdk.Querier. +func (am AppModule) NewQuerierHandler() sdk.Querier { + return NewQuerier(am.keeper) +} + +// InitGenesis performs genesis initialization for the faucet module. It returns +// no validator updates. +func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONMarshaler, data json.RawMessage) []abci.ValidatorUpdate { + var genesisState types.GenesisState + ModuleCdc.MustUnmarshalJSON(data, &genesisState) + InitGenesis(ctx, am.keeper, genesisState) + return []abci.ValidatorUpdate{} +} + +// ExportGenesis returns the exported genesis state as raw bytes for the faucet +// module. +func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONMarshaler) json.RawMessage { + gs := ExportGenesis(ctx, am.keeper) + return cdc.MustMarshalJSON(gs) +} + +// BeginBlock returns the begin blocker for the faucet module. +func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) { +} + +// EndBlock returns the end blocker for the faucet module. It returns no validator +// updates. +func (AppModule) EndBlock(_ sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate { + return []abci.ValidatorUpdate{} +} diff --git a/x/faucet/types/codec.go b/x/faucet/types/codec.go new file mode 100644 index 00000000..0378955b --- /dev/null +++ b/x/faucet/types/codec.go @@ -0,0 +1,17 @@ +package types + +import ( + "github.com/cosmos/cosmos-sdk/codec" +) + +// ModuleCdc is the codec for the module +var ModuleCdc = codec.New() + +func init() { + RegisterCodec(ModuleCdc) +} + +// RegisterCodec registers concrete types on the Amino codec +func RegisterCodec(cdc *codec.Codec) { + cdc.RegisterConcrete(MsgFund{}, "ethermint/MsgFund", nil) +} diff --git a/x/faucet/types/errors.go b/x/faucet/types/errors.go new file mode 100644 index 00000000..ec36514a --- /dev/null +++ b/x/faucet/types/errors.go @@ -0,0 +1,10 @@ +package types + +import ( + sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" +) + +var ( + // ErrWithdrawTooOften withdraw too often + ErrWithdrawTooOften = sdkerrors.Register(ModuleName, 2, "each address can withdraw only once") +) diff --git a/x/faucet/types/events.go b/x/faucet/types/events.go new file mode 100644 index 00000000..f43e62a5 --- /dev/null +++ b/x/faucet/types/events.go @@ -0,0 +1,11 @@ +package types + +// Faucet module events +const ( + AttributeRecipient string = "recipient" +) + +// Supported endpoints +const ( + QueryFunded = "funded" +) diff --git a/x/faucet/types/expected_keepers.go b/x/faucet/types/expected_keepers.go new file mode 100644 index 00000000..17fb5509 --- /dev/null +++ b/x/faucet/types/expected_keepers.go @@ -0,0 +1,20 @@ +package types + +import ( + sdk "github.com/cosmos/cosmos-sdk/types" + supplyexported "github.com/cosmos/cosmos-sdk/x/supply/exported" +) + +// SupplyKeeper is required for mining coin +type SupplyKeeper interface { + MintCoins(ctx sdk.Context, moduleName string, amt sdk.Coins) error + SendCoinsFromModuleToAccount( + ctx sdk.Context, senderModule string, recipientAddr sdk.AccAddress, amt sdk.Coins, + ) error + GetModuleAccount(ctx sdk.Context, moduleName string) supplyexported.ModuleAccountI +} + +// StakingKeeper is required for getting Denom +type StakingKeeper interface { + BondDenom(ctx sdk.Context) string +} diff --git a/x/faucet/types/genesis.go b/x/faucet/types/genesis.go new file mode 100644 index 00000000..6721482e --- /dev/null +++ b/x/faucet/types/genesis.go @@ -0,0 +1,45 @@ +package types + +import ( + "fmt" + "time" + + sdk "github.com/cosmos/cosmos-sdk/types" +) + +// GenesisState defines the application's genesis state. It contains all the +// information required and accounts to initialize the blockchain. +type GenesisState struct { + // enable faucet funding + EnableFaucet bool `json:"enable_faucet" yaml:"enable_faucet"` + // addresses can send requests every duration + Timeout time.Duration `json:"timeout" yaml:"timeout"` + // max total amount to be funded by the faucet + FaucetCap sdk.Int `json:"faucet_cap" yaml:"faucet_cap"` + // max amount per request (i.e sum of all requested coin amounts). + MaxAmountPerRequest sdk.Int `json:"max_amount_per_request" yaml:"max_amount_per_request"` +} + +// Validate performs a basic validation of the GenesisState fields. +func (gs GenesisState) Validate() error { + if gs.Timeout < 0 { + return fmt.Errorf("timeout cannot be negative: %s", gs.Timeout) + } + if gs.FaucetCap.IsNegative() { + return fmt.Errorf("faucet cap cannot be negative: %d", gs.FaucetCap) + } + if gs.MaxAmountPerRequest.IsNegative() { + return fmt.Errorf("max amount per request cannot be negative: %d", gs.MaxAmountPerRequest) + } + return nil +} + +// DefaultGenesisState sets default evm genesis config +func DefaultGenesisState() GenesisState { + return GenesisState{ + EnableFaucet: false, + Timeout: 20 * time.Minute, + FaucetCap: sdk.NewInt(1000000000), + MaxAmountPerRequest: sdk.NewInt(1000), + } +} diff --git a/x/faucet/types/key.go b/x/faucet/types/key.go new file mode 100644 index 00000000..6b1adc75 --- /dev/null +++ b/x/faucet/types/key.go @@ -0,0 +1,23 @@ +package types + +const ( + // ModuleName is the name of the module + ModuleName = "faucet" + + // StoreKey to be used when creating the KVStore + StoreKey = ModuleName + + // RouterKey uses module name for tx routing + RouterKey = ModuleName + + // QuerierRoute uses module name for query routing + QuerierRoute = ModuleName +) + +var ( + EnableFaucetKey = []byte{0x01} + TimeoutKey = []byte{0x02} + CapKey = []byte{0x03} + MaxPerRequestKey = []byte{0x04} + FundedKey = []byte{0x05} +) diff --git a/x/faucet/types/msgs.go b/x/faucet/types/msgs.go new file mode 100644 index 00000000..04f91415 --- /dev/null +++ b/x/faucet/types/msgs.go @@ -0,0 +1,52 @@ +package types + +import ( + sdk "github.com/cosmos/cosmos-sdk/types" + sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" +) + +// MsgFund funds a recipient address +type MsgFund struct { + Amount sdk.Coins `json:"amount" yaml:"amount"` + Sender sdk.AccAddress `json:"sender" yaml:"sender"` + Recipient sdk.AccAddress `json:"receipient" yaml:"receipient"` +} + +// NewMsgFund is a constructor function for NewMsgFund +func NewMsgFund(amount sdk.Coins, sender, recipient sdk.AccAddress) MsgFund { + return MsgFund{ + Amount: amount, + Sender: sender, + Recipient: recipient, + } +} + +// Route should return the name of the module +func (msg MsgFund) Route() string { return RouterKey } + +// Type should return the action +func (msg MsgFund) Type() string { return "fund" } + +// ValidateBasic runs stateless checks on the message +func (msg MsgFund) ValidateBasic() error { + if !msg.Amount.IsValid() { + return sdkerrors.Wrap(sdkerrors.ErrInvalidCoins, msg.Amount.String()) + } + if msg.Sender.Empty() { + return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "sender %s", msg.Sender.String()) + } + if msg.Recipient.Empty() { + return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "recipient %s", msg.Recipient.String()) + } + return nil +} + +// GetSignBytes encodes the message for signing +func (msg MsgFund) GetSignBytes() []byte { + return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(msg)) +} + +// GetSigners defines whose signature is required +func (msg MsgFund) GetSigners() []sdk.AccAddress { + return []sdk.AccAddress{msg.Sender} +}