diff options
Diffstat (limited to 'cmd/swarm/mru.go')
| -rw-r--r-- | cmd/swarm/mru.go | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/cmd/swarm/mru.go b/cmd/swarm/mru.go new file mode 100644 index 000000000..6176b6d6c --- /dev/null +++ b/cmd/swarm/mru.go @@ -0,0 +1,169 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of go-ethereum. +// +// go-ethereum is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// go-ethereum is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>. + +// Command resource allows the user to create and update signed mutable resource updates +package main + +import ( + "fmt" + "strconv" + "strings" + + "github.com/ethereum/go-ethereum/common/hexutil" + + "github.com/ethereum/go-ethereum/cmd/utils" + swarm "github.com/ethereum/go-ethereum/swarm/api/client" + "github.com/ethereum/go-ethereum/swarm/storage/mru" + "gopkg.in/urfave/cli.v1" +) + +func NewGenericSigner(ctx *cli.Context) mru.Signer { + return mru.NewGenericSigner(getPrivKey(ctx)) +} + +// swarm resource create <frequency> [--name <name>] [--data <0x Hexdata> [--multihash=false]] +// swarm resource update <Manifest Address or ENS domain> <0x Hexdata> [--multihash=false] +// swarm resource info <Manifest Address or ENS domain> + +func resourceCreate(ctx *cli.Context) { + args := ctx.Args() + + var ( + bzzapi = strings.TrimRight(ctx.GlobalString(SwarmApiFlag.Name), "/") + client = swarm.NewClient(bzzapi) + multihash = ctx.Bool(SwarmResourceMultihashFlag.Name) + initialData = ctx.String(SwarmResourceDataOnCreateFlag.Name) + name = ctx.String(SwarmResourceNameFlag.Name) + ) + + if len(args) < 1 { + fmt.Println("Incorrect number of arguments") + cli.ShowCommandHelpAndExit(ctx, "create", 1) + return + } + signer := NewGenericSigner(ctx) + frequency, err := strconv.ParseUint(args[0], 10, 64) + if err != nil { + fmt.Printf("Frequency formatting error: %s\n", err.Error()) + cli.ShowCommandHelpAndExit(ctx, "create", 1) + return + } + + metadata := mru.ResourceMetadata{ + Name: name, + Frequency: frequency, + Owner: signer.Address(), + } + + var newResourceRequest *mru.Request + if initialData != "" { + initialDataBytes, err := hexutil.Decode(initialData) + if err != nil { + fmt.Printf("Error parsing data: %s\n", err.Error()) + cli.ShowCommandHelpAndExit(ctx, "create", 1) + return + } + newResourceRequest, err = mru.NewCreateUpdateRequest(&metadata) + if err != nil { + utils.Fatalf("Error creating new resource request: %s", err) + } + newResourceRequest.SetData(initialDataBytes, multihash) + if err = newResourceRequest.Sign(signer); err != nil { + utils.Fatalf("Error signing resource update: %s", err.Error()) + } + } else { + newResourceRequest, err = mru.NewCreateRequest(&metadata) + if err != nil { + utils.Fatalf("Error creating new resource request: %s", err) + } + } + + manifestAddress, err := client.CreateResource(newResourceRequest) + if err != nil { + utils.Fatalf("Error creating resource: %s", err.Error()) + return + } + fmt.Println(manifestAddress) // output manifest address to the user in a single line (useful for other commands to pick up) + +} + +func resourceUpdate(ctx *cli.Context) { + args := ctx.Args() + + var ( + bzzapi = strings.TrimRight(ctx.GlobalString(SwarmApiFlag.Name), "/") + client = swarm.NewClient(bzzapi) + multihash = ctx.Bool(SwarmResourceMultihashFlag.Name) + ) + + if len(args) < 2 { + fmt.Println("Incorrect number of arguments") + cli.ShowCommandHelpAndExit(ctx, "update", 1) + return + } + signer := NewGenericSigner(ctx) + manifestAddressOrDomain := args[0] + data, err := hexutil.Decode(args[1]) + if err != nil { + utils.Fatalf("Error parsing data: %s", err.Error()) + return + } + + // Retrieve resource status and metadata out of the manifest + updateRequest, err := client.GetResourceMetadata(manifestAddressOrDomain) + if err != nil { + utils.Fatalf("Error retrieving resource status: %s", err.Error()) + } + + // set the new data + updateRequest.SetData(data, multihash) + + // sign update + if err = updateRequest.Sign(signer); err != nil { + utils.Fatalf("Error signing resource update: %s", err.Error()) + } + + // post update + err = client.UpdateResource(updateRequest) + if err != nil { + utils.Fatalf("Error updating resource: %s", err.Error()) + return + } +} + +func resourceInfo(ctx *cli.Context) { + var ( + bzzapi = strings.TrimRight(ctx.GlobalString(SwarmApiFlag.Name), "/") + client = swarm.NewClient(bzzapi) + ) + args := ctx.Args() + if len(args) < 1 { + fmt.Println("Incorrect number of arguments.") + cli.ShowCommandHelpAndExit(ctx, "info", 1) + return + } + manifestAddressOrDomain := args[0] + metadata, err := client.GetResourceMetadata(manifestAddressOrDomain) + if err != nil { + utils.Fatalf("Error retrieving resource metadata: %s", err.Error()) + return + } + encodedMetadata, err := metadata.MarshalJSON() + if err != nil { + utils.Fatalf("Error encoding metadata to JSON for display:%s", err) + } + fmt.Println(string(encodedMetadata)) +} |