add XML URI and total supply view

Author: joshuahannan

contracts/FlowToken.cdc

@@ -120,7 +120,8 @@ pub contract FlowToken: FungibleToken, ViewResolver {
     pub fun getViews(): [Type] {
         return [Type<FungibleTokenMetadataViews.FTView>(),
                 Type<FungibleTokenMetadataViews.FTDisplay>(),
-                Type<FungibleTokenMetadataViews.FTVaultData>()]
+                Type<FungibleTokenMetadataViews.FTVaultData>(),
+                Type<FungibleTokenMetadataViews.TotalSupply>()]
     }
 
     /// Get a Metadata View from FlowToken
@@ -138,15 +139,15 @@ pub contract FlowToken: FungibleToken, ViewResolver {
             case Type<FungibleTokenMetadataViews.FTDisplay>():
                 let media = MetadataViews.Media(
                         file: MetadataViews.HTTPFile(
-                        url: "https://assets.website-files.com/5f6294c0c7a8cdd643b1c820/5f6294c0c7a8cda55cb1c936_Flow_Wordmark.svg"
+                        url: FlowToken.getLogoURI()
                     ),
                     mediaType: "image/svg+xml"
                 )
                 let medias = MetadataViews.Medias([media])
                 return FungibleTokenMetadataViews.FTDisplay(
                     name: "FLOW Network Token",
                     symbol: "FLOW",
-                    description: "FLOW is the protocol token that is required for transaction fees, storage fees, staking, and many applications built on the Flow Blockchain",
+                    description: "FLOW is the native token for the Flow blockchain. It is required for securing the network, transaction fees, storage fees, staking, FLIP voting and may be used by applications built on the Flow Blockchain",
                     externalURL: MetadataViews.ExternalURL("https://flow.com"),
                     logos: medias,
                     socials: {
@@ -166,6 +167,8 @@ pub contract FlowToken: FungibleToken, ViewResolver {
                         return <-FlowToken.createEmptyVault()
                     })
                 )
+            case Type<FungibleTokenMetadataViews.TotalSupply>():
+                return FungibleTokenMetadataViews.TotalSupply(totalSupply: FlowToken.totalSupply)
         }
         return nil
     }
@@ -241,12 +244,21 @@ pub contract FlowToken: FungibleToken, ViewResolver {
         }
     }
 
+    /// Gets the Flow Logo XML URI from storage
+    pub fun getLogoURI(): String {
+        return FlowToken.account.copy<String>(from: /storage/flowTokenLogoURI) ?? ""
+    }
+
     init() {
         self.totalSupply = 0.0
 
         // Create the Vault with the total supply of tokens and save it in storage
         //
         let vault <- create Vault(balance: self.totalSupply)
+
+        // Example of how to resolve a metadata view for a Vault
+        let ftView = vault.resolveView(Type<FungibleTokenMetadataViews.FTView>())
+
         self.account.save(<-vault, to: /storage/flowTokenVault)
 
         // Create a public capability to the stored Vault that only exposes

lib/go/contracts/go.mod

@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	github.com/kevinburke/go-bindata v3.23.0+incompatible
-	github.com/onflow/flow-ft/lib/go/contracts v0.7.0
+	github.com/onflow/flow-ft/lib/go/contracts v0.7.1-0.20230711213910-baad011d2b13
 	github.com/onflow/flow-go-sdk v0.41.6
 	github.com/onflow/flow-nft/lib/go/contracts v1.1.0
 	github.com/stretchr/testify v1.8.2

lib/go/contracts/go.sum

@@ -297,8 +297,8 @@ github.com/onflow/atree v0.6.0/go.mod h1:gBHU0M05qCbv9NN0kijLWMgC47gHVNBIp4KmsVF
 github.com/onflow/cadence v0.20.1/go.mod h1:7mzUvPZUIJztIbr9eTvs+fQjWWHTF8veC+yk4ihcNIA=
 github.com/onflow/cadence v0.39.12 h1:bb3UdOe7nClUcaLbxSWGLSIJKuCrivpgxhPow99ikv0=
 github.com/onflow/cadence v0.39.12/go.mod h1:OIJLyVBPa339DCBQXBfGaorT4tBjQh9gSKe+ZAIyyh0=
-github.com/onflow/flow-ft/lib/go/contracts v0.7.0 h1:XEKE6qJUw3luhsYmIOteXP53gtxNxrwTohgxJXCYqBE=
-github.com/onflow/flow-ft/lib/go/contracts v0.7.0/go.mod h1:kTMFIySzEJJeupk+7EmXs0EJ6CBWY/MV9fv9iYQk+RU=
+github.com/onflow/flow-ft/lib/go/contracts v0.7.1-0.20230711213910-baad011d2b13 h1:B4ll7e3j+MqTJv2122Enq3RtDNzmIGRu9xjV7fo7un0=
+github.com/onflow/flow-ft/lib/go/contracts v0.7.1-0.20230711213910-baad011d2b13/go.mod h1:kTMFIySzEJJeupk+7EmXs0EJ6CBWY/MV9fv9iYQk+RU=
 github.com/onflow/flow-go-sdk v0.24.0/go.mod h1:IoptMLPyFXWvyd9yYA6/4EmSeeozl6nJoIv4FaEMg74=
 github.com/onflow/flow-go-sdk v0.41.6 h1:x5HhmRDvbCWXRCzHITJxOp0Komq5JJ9zphoR2u6NOCg=
 github.com/onflow/flow-go-sdk v0.41.6/go.mod h1:AYypQvn6ecMONhF3M1vBOUX9b4oHKFWkkrw8bO4VEik=

lib/go/contracts/internal/assets/assets.go

@@ -86,7 +86,7 @@ require (
 	github.com/multiformats/go-multihash v0.2.1 // indirect
 	github.com/multiformats/go-varint v0.0.7 // indirect
 	github.com/onflow/atree v0.6.0 // indirect
-	github.com/onflow/flow-ft/lib/go/contracts v0.7.0 // indirect
+	github.com/onflow/flow-ft/lib/go/contracts v0.7.1-0.20230711213910-baad011d2b13 // indirect
 	github.com/onflow/flow-nft/lib/go/contracts v1.1.0 // indirect
 	github.com/onflow/flow/protobuf/go/flow v0.3.2-0.20230602212908-08fc6536d391 // indirect
 	github.com/onflow/fusd/lib/go/contracts v0.0.0-20211021081023-ae9de8fb2c7e // indirect

lib/go/test/go.mod

@@ -70,7 +70,9 @@ github.com/VictoriaMetrics/fastcache v1.5.3/go.mod h1:+jv9Ckb+za/P1ZRg/sulP5Ni1v
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/aristanetworks/goarista v0.0.0-20170210015632-ea17b1a17847/go.mod h1:D/tb0zPVXnP7fmsLZjtdUhSsumbK/ij54UXjjVgMGxQ=
@@ -139,6 +141,7 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea/go.mod h1:93vsz/8Wt4joVM7c2AVqh+YRMiUSc14yDtF28KmMOgQ=
 github.com/decred/dcrd/crypto/blake256 v1.0.0 h1:/8DMNYp9SGi5f0w7uCm6d6M4OU2rGFK09Y2A4Xv7EE0=
+github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn47hh8kt6rqSlvmrXFAc=
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.1.0 h1:HbphB4TFFXpv7MNrT52FGrrgVXF1owhMVTHFZIlnvd4=
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.1.0/go.mod h1:DZGJHZMqrU4JJqFAWUS2UO1+lbSKsdiOoYi9Zzey7Fc=
 github.com/dgraph-io/badger/v2 v2.2007.4 h1:TRWBQg8UrlUhaFdco01nO2uXwzKS7zd+HVdwV/GHc4o=
@@ -200,6 +203,7 @@ github.com/go-kit/log v0.2.1 h1:MRVx0/zhvdseW+Gza6N9rVzU/IVzaeE1SFI4raAhmBU=
 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 v0.5.1 h1:otpy5pqBCBZ1ng9RQ0dPu4PN7ba75Y/aA+UpowDyNVA=
+github.com/go-logfmt/logfmt v0.5.1/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
 github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
@@ -379,11 +383,14 @@ github.com/jbenet/goprocess v0.1.4/go.mod h1:5yspPrukOVuOLORacaBi858NqyClJPQxYZl
 github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
+github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
 github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlTRt3OuAQ=
+github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
 github.com/julienschmidt/httprouter v1.1.1-0.20170430222011-975b5c4c7c21/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
+github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
 github.com/jung-kurt/gofpdf v1.0.3-0.20190309125859-24315acbbda5/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes=
 github.com/k0kubun/go-ansi v0.0.0-20180517002512-3bf9e2903213/go.mod h1:vNUNkEQ1e29fT/6vq2aBdFsgNPmy8qMdSay1npru+Sw=
 github.com/karalabe/usb v0.0.0-20190919080040-51dc0efba356/go.mod h1:Od972xHfMJowv7NGVDiWVxk2zxnWgjLlJzE+F4F7AGU=
@@ -469,6 +476,8 @@ github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrk
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
 github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/mr-tron/base58 v1.1.0/go.mod h1:xcD2VGqlgYjBdcBLw+TuYLr8afG+Hj8g2eTVqeSzSU8=
 github.com/mr-tron/base58 v1.1.3/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
 github.com/mr-tron/base58 v1.2.0 h1:T/HDJBh4ZCPbU39/+c3rRvE0uKBQlU27+QI8LJ4t64o=
@@ -496,6 +505,7 @@ github.com/multiformats/go-varint v0.0.5/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXS
 github.com/multiformats/go-varint v0.0.7 h1:sWSGR+f/eu5ABZA2ZpYKBILXTTs9JWpdEM/nEGOHFS8=
 github.com/multiformats/go-varint v0.0.7/go.mod h1:r8PUYw/fD/SjBCiKOoDlGF6QawOELpZAu9eioSos/OU=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
+github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/naoina/go-stringutil v0.1.0/go.mod h1:XJ2SJL9jCtBh+P9q5btrd/Ylo8XwT/h1USek5+NqSA0=
 github.com/naoina/toml v0.1.2-0.20170918210437-9fafd6967416/go.mod h1:NBIhNtsFMo3G2szEBne+bO4gS192HuIYRqfvOWb4i1E=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
@@ -510,8 +520,8 @@ github.com/onflow/cadence v0.39.12 h1:bb3UdOe7nClUcaLbxSWGLSIJKuCrivpgxhPow99ikv
 github.com/onflow/cadence v0.39.12/go.mod h1:OIJLyVBPa339DCBQXBfGaorT4tBjQh9gSKe+ZAIyyh0=
 github.com/onflow/flow-emulator v0.51.2-0.20230704183611-ecad54e231b7 h1:UFcuL4WO1h41vTL6MVBNA6JSeCDrxgHXv2R7617ukeQ=
 github.com/onflow/flow-emulator v0.51.2-0.20230704183611-ecad54e231b7/go.mod h1:lwMNonHdLvfTF+YIU3yjz9huy/KSjqu+5exZ/TT7Hvc=
-github.com/onflow/flow-ft/lib/go/contracts v0.7.0 h1:XEKE6qJUw3luhsYmIOteXP53gtxNxrwTohgxJXCYqBE=
-github.com/onflow/flow-ft/lib/go/contracts v0.7.0/go.mod h1:kTMFIySzEJJeupk+7EmXs0EJ6CBWY/MV9fv9iYQk+RU=
+github.com/onflow/flow-ft/lib/go/contracts v0.7.1-0.20230711213910-baad011d2b13 h1:B4ll7e3j+MqTJv2122Enq3RtDNzmIGRu9xjV7fo7un0=
+github.com/onflow/flow-ft/lib/go/contracts v0.7.1-0.20230711213910-baad011d2b13/go.mod h1:kTMFIySzEJJeupk+7EmXs0EJ6CBWY/MV9fv9iYQk+RU=
 github.com/onflow/flow-go v0.31.1-0.20230704154018-87a84e9d36c2 h1:PxqNnAgtsqPLPVbNzPLOMb4LR8p8FFgHeRqjV5QfF4g=
 github.com/onflow/flow-go v0.31.1-0.20230704154018-87a84e9d36c2/go.mod h1:ptH2kC9JMqhZYkLWeGt3cAZblwuURRApTxHD/AvZI3k=
 github.com/onflow/flow-go-sdk v0.24.0/go.mod h1:IoptMLPyFXWvyd9yYA6/4EmSeeozl6nJoIv4FaEMg74=
@@ -1202,6 +1212,7 @@ gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=