transfer method

.dfx/local/canister_ids.json

@@ -3,18 +3,15 @@
     "local": "bnz7o-iuaaa-aaaaa-qaaaa-cai"
   },
   "assets": {
-    "local": "bw4dl-smaaa-aaaaa-qaacq-cai"
+    "local": "be2us-64aaa-aaaaa-qaabq-cai"
   },
   "backend": {
-    "local": "be2us-64aaa-aaaaa-qaabq-cai"
+    "local": "br5f7-7uaaa-aaaaa-qaaca-cai"
   },
   "icrc1_index": {
     "local": "bd3sg-teaaa-aaaaa-qaaba-cai"
   },
   "icrc1_ledger": {
     "local": "mxzaz-hqaaa-aaaar-qaada-cai"
-  },
-  "payments": {
-    "local": "br5f7-7uaaa-aaaaa-qaaca-cai"
   }
 }

.dfx/local/canisters/backend/backend.did

@@ -1,4 +1,11 @@
+type Result = 
+ variant {
+   err: text;
+   ok: text;
+ };
 service : {
   getCanister: () -> (text);
-  whoami: () -> (principal);
+  getMyBalance: () -> (text);
+  transfer: () -> (Result);
+  whoami: () -> (text);
 }

.dfx/local/canisters/backend/constructor.did

@@ -1,4 +1,11 @@
+type Result = 
+ variant {
+   err: text;
+   ok: text;
+ };
 service : {
   getCanister: () -> (text);
-  whoami: () -> (principal);
+  getMyBalance: () -> (text);
+  transfer: () -> (Result);
+  whoami: () -> (text);
 }

.dfx/local/canisters/backend/constructor.old.did

@@ -1,4 +1,11 @@
+type Result = 
+ variant {
+   err: text;
+   ok: text;
+ };
 service : {
-  getCanisterId: () -> (text);
-  whoami: () -> (principal);
+  getCanister: () -> (text);
+  getMyBalance: () -> (text);
+  transfer: () -> (Result);
+  whoami: () -> (text);
 }

.dfx/local/canisters/backend/service.did

@@ -1,4 +1,11 @@
+type Result = 
+ variant {
+   err: text;
+   ok: text;
+ };
 service : {
   getCanister: () -> (text);
-  whoami: () -> (principal);
+  getMyBalance: () -> (text);
+  transfer: () -> (Result);
+  whoami: () -> (text);
 }

.dfx/local/canisters/backend/service.did.d.ts

@@ -1,7 +1,11 @@
 import type { Principal } from '@dfinity/principal';
 import type { ActorMethod } from '@dfinity/agent';
 
+export type Result = { 'ok' : string } |
+  { 'err' : string };
 export interface _SERVICE {
   'getCanister' : ActorMethod<[], string>,
-  'whoami' : ActorMethod<[], Principal>,
+  'getMyBalance' : ActorMethod<[], string>,
+  'transfer' : ActorMethod<[], Result>,
+  'whoami' : ActorMethod<[], string>,
 }

.dfx/local/canisters/backend/service.did.js

@@ -1,7 +1,10 @@
 export const idlFactory = ({ IDL }) => {
+  const Result = IDL.Variant({ 'ok' : IDL.Text, 'err' : IDL.Text });
   return IDL.Service({
     'getCanister' : IDL.Func([], [IDL.Text], []),
-    'whoami' : IDL.Func([], [IDL.Principal], []),
+    'getMyBalance' : IDL.Func([], [IDL.Text], []),
+    'transfer' : IDL.Func([], [Result], []),
+    'whoami' : IDL.Func([], [IDL.Text], []),
   });
 };
 export const init = ({ IDL }) => { return []; };

.dfx/local/lsp/be2us-64aaa-aaaaa-qaabq-cai.did

@@ -1,4 +1,244 @@
-service : {
-  getCanister: () -> (text);
-  whoami: () -> (principal);
+type BatchId = nat;
+type ChunkId = nat;
+type Key = text;
+type Time = int;
+
+type CreateAssetArguments = record {
+  key: Key;
+  content_type: text;
+  max_age: opt nat64;
+  headers: opt vec HeaderField;
+  enable_aliasing: opt bool;
+  allow_raw_access: opt bool;
+};
+
+// Add or change content for an asset, by content encoding
+type SetAssetContentArguments = record {
+  key: Key;
+  content_encoding: text;
+  chunk_ids: vec ChunkId;
+  sha256: opt blob;
+};
+
+// Remove content for an asset, by content encoding
+type UnsetAssetContentArguments = record {
+  key: Key;
+  content_encoding: text;
+};
+
+// Delete an asset
+type DeleteAssetArguments = record {
+  key: Key;
+};
+
+// Reset everything
+type ClearArguments = record {};
+
+type BatchOperationKind = variant {
+  CreateAsset: CreateAssetArguments;
+  SetAssetContent: SetAssetContentArguments;
+
+  SetAssetProperties: SetAssetPropertiesArguments;
+
+  UnsetAssetContent: UnsetAssetContentArguments;
+  DeleteAsset: DeleteAssetArguments;
+
+  Clear: ClearArguments;
+};
+
+type CommitBatchArguments = record {
+  batch_id: BatchId;
+  operations: vec BatchOperationKind
+};
+
+type CommitProposedBatchArguments = record {
+  batch_id: BatchId;
+  evidence: blob;
+};
+
+type ComputeEvidenceArguments = record {
+  batch_id: BatchId;
+  max_iterations: opt nat16
+};
+
+type DeleteBatchArguments = record {
+  batch_id: BatchId;
+};
+
+type HeaderField = record { text; text; };
+
+type HttpRequest = record {
+  method: text;
+  url: text;
+  headers: vec HeaderField;
+  body: blob;
+  certificate_version: opt nat16;
+};
+
+type HttpResponse = record {
+  status_code: nat16;
+  headers: vec HeaderField;
+  body: blob;
+  streaming_strategy: opt StreamingStrategy;
+};
+
+type StreamingCallbackHttpResponse = record {
+  body: blob;
+  token: opt StreamingCallbackToken;
+};
+
+type StreamingCallbackToken = record {
+  key: Key;
+  content_encoding: text;
+  index: nat;
+  sha256: opt blob;
+};
+
+type StreamingStrategy = variant {
+  Callback: record {
+    callback: func (StreamingCallbackToken) -> (opt StreamingCallbackHttpResponse) query;
+    token: StreamingCallbackToken;
+  };
+};
+
+type SetAssetPropertiesArguments = record {
+  key: Key;
+  max_age: opt opt nat64;
+  headers: opt opt vec HeaderField;
+  allow_raw_access: opt opt bool;
+  is_aliased: opt opt bool;
+};
+
+type ConfigurationResponse = record {
+  max_batches: opt nat64;
+  max_chunks: opt nat64;
+  max_bytes: opt nat64;
+};
+
+type ConfigureArguments = record {
+  max_batches: opt opt nat64;
+  max_chunks: opt opt nat64;
+  max_bytes: opt opt nat64;
+};
+
+type Permission = variant {
+  Commit;
+  ManagePermissions;
+  Prepare;
+};
+
+type GrantPermission = record {
+  to_principal: principal;
+  permission: Permission;
+};
+type RevokePermission = record {
+  of_principal: principal;
+  permission: Permission;
+};
+type ListPermitted = record { permission: Permission };
+
+type ValidationResult = variant { Ok : text; Err : text };
+
+service: {
+  api_version: () -> (nat16) query;
+
+  get: (record {
+    key: Key;
+    accept_encodings: vec text;
+  }) -> (record {
+    content: blob; // may be the entirety of the content, or just chunk index 0
+    content_type: text;
+    content_encoding: text;
+    sha256: opt blob; // sha256 of entire asset encoding, calculated by dfx and passed in SetAssetContentArguments
+    total_length: nat; // all chunks except last have size == content.size()
+  }) query;
+
+  // if get() returned chunks > 1, call this to retrieve them.
+  // chunks may or may not be split up at the same boundaries as presented to create_chunk().
+  get_chunk: (record {
+    key: Key;
+    content_encoding: text;
+    index: nat;
+    sha256: opt blob;  // sha256 of entire asset encoding, calculated by dfx and passed in SetAssetContentArguments
+  }) -> (record { content: blob }) query;
+
+  list : (record {}) -> (vec record {
+    key: Key;
+    content_type: text;
+    encodings: vec record {
+      content_encoding: text;
+      sha256: opt blob; // sha256 of entire asset encoding, calculated by dfx and passed in SetAssetContentArguments
+      length: nat; // Size of this encoding's blob. Calculated when uploading assets.
+      modified: Time;
+    };
+  }) query;
+
+  certified_tree : (record {}) -> (record {
+    certificate: blob;
+    tree: blob;
+  }) query;
+
+  create_batch : (record {}) -> (record { batch_id: BatchId });
+
+  create_chunk: (record { batch_id: BatchId; content: blob }) -> (record { chunk_id: ChunkId });
+
+  // Perform all operations successfully, or reject
+  commit_batch: (CommitBatchArguments) -> ();
+
+  // Save the batch operations for later commit
+  propose_commit_batch: (CommitBatchArguments) -> ();
+
+  // Given a batch already proposed, perform all operations successfully, or reject
+  commit_proposed_batch: (CommitProposedBatchArguments) -> ();
+
+  // Compute a hash over the CommitBatchArguments.  Call until it returns Some(evidence).
+  compute_evidence: (ComputeEvidenceArguments) -> (opt blob);
+
+  // Delete a batch that has been created, or proposed for commit, but not yet committed
+  delete_batch: (DeleteBatchArguments) -> ();
+
+  create_asset: (CreateAssetArguments) -> ();
+  set_asset_content: (SetAssetContentArguments) -> ();
+  unset_asset_content: (UnsetAssetContentArguments) -> ();
+
+  delete_asset: (DeleteAssetArguments) -> ();
+
+  clear: (ClearArguments) -> ();
+
+  // Single call to create an asset with content for a single content encoding that
+  // fits within the message ingress limit.
+  store: (record {
+    key: Key;
+    content_type: text;
+    content_encoding: text;
+    content: blob;
+    sha256: opt blob
+  }) -> ();
+
+  http_request: (request: HttpRequest) -> (HttpResponse) query;
+  http_request_streaming_callback: (token: StreamingCallbackToken) -> (opt StreamingCallbackHttpResponse) query;
+
+  authorize: (principal) -> ();
+  deauthorize: (principal) -> ();
+  list_authorized: () -> (vec principal) query;
+  grant_permission: (GrantPermission) -> ();
+  revoke_permission: (RevokePermission) -> ();
+  list_permitted: (ListPermitted) -> (vec principal) query;
+  take_ownership: () -> ();
+
+  get_asset_properties : (key: Key) -> (record {
+    max_age: opt nat64;
+    headers: opt vec HeaderField;
+    allow_raw_access: opt bool;
+    is_aliased: opt bool; } ) query;
+  set_asset_properties: (SetAssetPropertiesArguments) -> ();
+
+  get_configuration: () -> (ConfigurationResponse);
+  configure: (ConfigureArguments) -> ();
+
+  validate_grant_permission: (GrantPermission) -> (ValidationResult);
+  validate_revoke_permission: (RevokePermission) -> (ValidationResult);
+  validate_take_ownership: () -> (ValidationResult);
+  validate_commit_proposed_batch: (CommitProposedBatchArguments) -> (ValidationResult);
+  validate_configure: (ConfigureArguments) -> (ValidationResult);
 }

.dfx/local/lsp/br5f7-7uaaa-aaaaa-qaaca-cai.did

@@ -0,0 +1,11 @@
+type Result = 
+ variant {
+   err: text;
+   ok: text;
+ };
+service : {
+  getCanister: () -> (text);
+  getMyBalance: () -> (text);
+  transfer: () -> (Result);
+  whoami: () -> (text);
+}