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[taler-wallet-core] branch master updated: reproducing #9154
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From: |
gnunet |
|
Subject: |
[taler-wallet-core] branch master updated: reproducing #9154 |
|
Date: |
Fri, 01 Nov 2024 18:33:00 +0100 |
This is an automated email from the git hooks/post-receive script.
sebasjm pushed a commit to branch master
in repository wallet-core.
The following commit(s) were added to refs/heads/master by this push:
new 7b93f4abc reproducing #9154
7b93f4abc is described below
commit 7b93f4abc1015179071b37c1fb5251a1b9c96312
Author: Sebastian <sebasjm@gmail.com>
AuthorDate: Fri Nov 1 14:32:53 2024 -0300
reproducing #9154
---
packages/taler-harness/src/harness/environments.ts | 6 +-
packages/taler-harness/src/index.ts | 75 ++++-
.../integrationtests/test-kyc-skip-expiration.ts | 57 +++-
.../src/integrationtests/testrunner.ts | 8 +-
packages/taler-util/src/http-client/exchange.ts | 16 +
packages/taler-util/src/index.node.ts | 1 +
packages/taler-util/src/index.ts | 13 +-
packages/taler-util/src/kyc-aml-utils.ts | 61 ++++
packages/taler-util/src/types-taler-aml.ts | 162 ----------
packages/taler-util/src/types-taler-exchange.ts | 5 +
packages/taler-util/src/types-taler-kyc-aml.ts | 333 +++++++++++++++++++++
11 files changed, 561 insertions(+), 176 deletions(-)
diff --git a/packages/taler-harness/src/harness/environments.ts
b/packages/taler-harness/src/harness/environments.ts
index ba4cace40..d52474427 100644
--- a/packages/taler-harness/src/harness/environments.ts
+++ b/packages/taler-harness/src/harness/environments.ts
@@ -24,6 +24,7 @@
* Imports
*/
import {
+ AccountProperties,
AmlDecisionRequest,
AmlDecisionRequestWithoutSignature,
AmountString,
@@ -1063,6 +1064,7 @@ export async function postAmlDecision(
amlPub: string;
newRules: LegitimizationRuleSet;
newMeasure?: string | undefined;
+ properties?: AccountProperties;
},
) {
const { exchangeBaseUrl, paytoHash, amlPriv, amlPub } = req;
@@ -1074,9 +1076,7 @@ export async function postAmlDecision(
keep_investigating: false,
new_rules: req.newRules,
new_measures: req.newMeasure,
- properties: {
- foo: "42",
- },
+ properties: req.properties ?? {},
};
const sig = signAmlDecision(decodeCrock(amlPriv), sigData);
diff --git a/packages/taler-harness/src/index.ts
b/packages/taler-harness/src/index.ts
index dc69c3a28..4a95d8c49 100644
--- a/packages/taler-harness/src/index.ts
+++ b/packages/taler-harness/src/index.ts
@@ -64,10 +64,7 @@ import { deepStrictEqual } from "assert";
import fs from "fs";
import os from "os";
import path from "path";
-import {
- AmlOutcome,
- codecForAmlProgramInput,
-} from "../../taler-util/src/types-taler-aml.js";
+import { TalerKycAml } from "@gnu-taler/taler-util";
import { runBench1 } from "./bench1.js";
import { runBench2 } from "./bench2.js";
import { runBench3 } from "./bench3.js";
@@ -85,6 +82,7 @@ import {
} from "./harness/harness.js";
import { getTestInfo, runTests } from "./integrationtests/testrunner.js";
import { lintExchangeDeployment } from "./lint.js";
+import { AML_PROGRAM_FROM_ATTRIBUTES_TO_CONTEXT } from
"integrationtests/test-kyc-skip-expiration.js";
const logger = new Logger("taler-harness:index.ts");
@@ -1434,6 +1432,71 @@ export const amlProgramCli = testingCli.subcommand(
},
);
+const allAmlPrograms: TalerKycAml.AmlProgramDefinition[] = [
+ {
+ name: "no-rules",
+ logic: (_input, _config) => {
+ const outcome: TalerKycAml.AmlOutcome = {
+ new_rules: {
+ expiration_time: TalerProtocolTimestamp.never(),
+ rules: [],
+ custom_measures: {},
+ },
+ events: [],
+ };
+ return outcome;
+ },
+ requiredAttributes: [],
+ requiredContext: [],
+ },
+ AML_PROGRAM_FROM_ATTRIBUTES_TO_CONTEXT,
+];
+
+amlProgramCli
+ .subcommand("run", "run-program")
+ .requiredOption("name", ["-n", "--name"], clk.STRING)
+ .flag("requires", ["-r"])
+ .flag("attributes", ["-a"])
+ .maybeOption("config", ["-c", "--config"], clk.STRING)
+ .action(async (args) => {
+ const found = allAmlPrograms.find((p) => p.name === args.run.name);
+ if (!found) {
+ logger.error(`Program not found: ${args.run.name}`);
+ logger.error(
+ `you can try "${allAmlPrograms.map((p) => p.name).join(",")}"`,
+ );
+ return;
+ }
+ if (args.run.requires) {
+ logger.info("Reporting requirements");
+ console.log(found.requiredContext.join("\n"));
+ return;
+ }
+
+ if (args.run.attributes) {
+ logger.info("reporting attributes");
+ console.log(found.requiredAttributes.join("\n"));
+ return;
+ }
+
+ const buffers = [];
+ // node.js readable streams implement the async iterator protocol
+ for await (const data of process.stdin) {
+ buffers.push(data);
+ }
+
+ const finalBuffer = Buffer.concat(buffers);
+ const inputStr = finalBuffer.toString("utf-8");
+ const inputJson = JSON.parse(inputStr);
+ const progInput = TalerKycAml.codecForAmlProgramInput().decode(inputJson);
+
+ logger.info(`got input: ${j2s(progInput)}`);
+
+ const outcome = found.logic(progInput, args.run.config);
+
+ console.log(j2s(outcome));
+ });
+
amlProgramCli
.subcommand("noRules", "no-rules")
.flag("requires", ["-r"])
@@ -1463,11 +1526,11 @@ amlProgramCli
const finalBuffer = Buffer.concat(buffers);
const inputStr = finalBuffer.toString("utf-8");
const inputJson = JSON.parse(inputStr);
- const progInput = codecForAmlProgramInput().decode(inputJson);
+ const progInput = TalerKycAml.codecForAmlProgramInput().decode(inputJson);
logger.info(`got input: ${j2s(progInput)}`);
- const outcome: AmlOutcome = {
+ const outcome: TalerKycAml.AmlOutcome = {
new_rules: {
expiration_time: TalerProtocolTimestamp.never(),
rules: [],
diff --git
a/packages/taler-harness/src/integrationtests/test-kyc-skip-expiration.ts
b/packages/taler-harness/src/integrationtests/test-kyc-skip-expiration.ts
index 1a26ca877..f0e06b10c 100644
--- a/packages/taler-harness/src/integrationtests/test-kyc-skip-expiration.ts
+++ b/packages/taler-harness/src/integrationtests/test-kyc-skip-expiration.ts
@@ -18,6 +18,7 @@
* Imports.
*/
import {
+ AbsoluteTime,
codecForAny,
codecForKycProcessClientInformation,
codecOptional,
@@ -26,6 +27,7 @@ import {
encodeCrock,
j2s,
signAmlQuery,
+ TalerKycAml,
TalerProtocolTimestamp,
TransactionIdStr,
TransactionMajorState,
@@ -40,6 +42,44 @@ import {
} from "../harness/environments.js";
import { GlobalTestState, harnessHttpLib, waitMs } from
"../harness/harness.js";
+export const AML_PROGRAM_FROM_ATTRIBUTES_TO_CONTEXT:
TalerKycAml.AmlProgramDefinition =
+ {
+ name: "from-attr-to-context",
+ logic: (_input, config) => {
+ const now = AbsoluteTime.toProtocolTimestamp(AbsoluteTime.now());
+ const outcome: TalerKycAml.AmlOutcome = {
+ to_investigate: false,
+ // pushing to info into properties for testing purposes
+ properties: {
+ "this comes": "from the program",
+ input: _input as any,
+ config,
+ },
+ events: [],
+ new_rules: {
+ expiration_time: now,
+ new_check: "info-oauth-test-passed",
+ rules: [],
+ successor_measure: "ask_more_info",
+ custom_measures: {
+ ask_more_info: {
+ context: {
+ info: _input?.attributes,
+ // this is the context info that the KYC-SPA will see
+ WAT: "REALLY?",
+ },
+ check_name: "C2",
+ prog_name: "P2",
+ },
+ },
+ },
+ };
+ return outcome;
+ },
+ requiredAttributes: [],
+ requiredContext: [],
+ };
+
function adjustExchangeConfig(config: Configuration) {
config.setString("exchange", "enable_kyc", "yes");
@@ -66,7 +106,7 @@ function adjustExchangeConfig(config: Configuration) {
config.setString(
"AML-PROGRAM-P1",
"command",
- "taler-harness aml-program no-rules",
+ "taler-harness aml-program run-program --name from-attr-to-context",
);
config.setString("AML-PROGRAM-P1", "enabled", "true");
config.setString("AML-PROGRAM-P1", "description", "remove all rules");
@@ -86,9 +126,11 @@ function adjustExchangeConfig(config: Configuration) {
config.setString("KYC-CHECK-C1", "outputs", "full_name birthdate");
config.setString("KYC-CHECK-C1", "fallback", "M1");
- config.setString("KYC-CHECK-C2", "type", "INFO");
+ config.setString("KYC-CHECK-C2", "type", "FORM");
+ config.setString("KYC-CHECK-C2", "form_name", "dynamicform");
config.setString("KYC-CHECK-C2", "description", "my check info!");
config.setString("KYC-CHECK-C2", "description_i18n", "{}");
+ config.setString("KYC-CHECK-C1", "outputs", "what_the_officer_asked");
config.setString("KYC-CHECK-C2", "fallback", "M2");
config.setString("KYC-CHECK-C3", "type", "INFO");
@@ -180,6 +222,9 @@ export async function runKycSkipExpirationTest(t:
GlobalTestState) {
exchangeBaseUrl: exchange.baseUrl,
paytoHash: kycPaytoHash,
newMeasure: "M3",
+ properties: {
+ form: { name: "string" },
+ },
newRules: {
expiration_time: TalerProtocolTimestamp.now(),
custom_measures: {},
@@ -231,6 +276,14 @@ export async function runKycSkipExpirationTest(t:
GlobalTestState) {
console.log(j2s(clientInfo));
+ // Finally here we must see the officer defined form
+ t.assertDeepEqual(clientInfo?.requirements[0].context, {
+ // info contains the properties in the aml decision
+ info: { form: { name: "string" } },
+ // this is fixed by the aml program
+ WAT: "REALLY?",
+ });
+
break;
}
}
diff --git a/packages/taler-harness/src/integrationtests/testrunner.ts
b/packages/taler-harness/src/integrationtests/testrunner.ts
index 4818cff17..2ac8e8383 100644
--- a/packages/taler-harness/src/integrationtests/testrunner.ts
+++ b/packages/taler-harness/src/integrationtests/testrunner.ts
@@ -14,7 +14,13 @@
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
-import { CancellationToken, Logger, minimatch } from "@gnu-taler/taler-util";
+import {
+ CancellationToken,
+ Logger,
+ minimatch,
+ TalerKycAml,
+ TalerProtocolTimestamp,
+} from "@gnu-taler/taler-util";
import * as child_process from "child_process";
import { spawnSync } from "child_process";
import * as fs from "fs";
diff --git a/packages/taler-util/src/http-client/exchange.ts
b/packages/taler-util/src/http-client/exchange.ts
index b8dbdf0cf..7526fd8a0 100644
--- a/packages/taler-util/src/http-client/exchange.ts
+++ b/packages/taler-util/src/http-client/exchange.ts
@@ -1,3 +1,19 @@
+/*
+ This file is part of GNU Taler
+ (C) 2022-2024 Taler Systems S.A.
+
+ GNU Taler 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, or (at your option) any later version.
+
+ GNU Taler 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
+ GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
import {
HttpRequestLibrary,
readSuccessResponseJsonOrThrow,
diff --git a/packages/taler-util/src/index.node.ts
b/packages/taler-util/src/index.node.ts
index ba4c6cf4e..b853c2c6e 100644
--- a/packages/taler-util/src/index.node.ts
+++ b/packages/taler-util/src/index.node.ts
@@ -21,4 +21,5 @@ initNodePrng();
export * from "./index.js";
export * from "./talerconfig.js";
export * from "./globbing/minimatch.js";
+export * from "./kyc-aml-utils.js";
export { setPrintHttpRequestAsCurl } from "./http-impl.node.js";
diff --git a/packages/taler-util/src/index.ts b/packages/taler-util/src/index.ts
index d72959caf..d640ba41d 100644
--- a/packages/taler-util/src/index.ts
+++ b/packages/taler-util/src/index.ts
@@ -22,7 +22,12 @@ export * from "./http-client/challenger.js";
export * from "./http-client/exchange.js";
export * from "./http-client/merchant.js";
export * from "./http-client/officer-account.js";
-export { CacheEvictor, BasicOrTokenAuth, BasicAuth, TokenAuth } from
"./http-client/utils.js";
+export {
+ CacheEvictor,
+ BasicOrTokenAuth,
+ BasicAuth,
+ TokenAuth,
+} from "./http-client/utils.js";
export * from "./http-status-codes.js";
export * from "./i18n.js";
export * from "./iban.js";
@@ -56,12 +61,15 @@ export * from "./timer.js";
export * from "./transaction-test-data.js";
export * from "./url.js";
+// FIXME: remove all this, needs refactor
export * from "./types-taler-bank-conversion.js";
export * from "./types-taler-bank-integration.js";
-export * from "./types-taler-common.js";
export * from "./types-taler-corebank.js";
export * from "./types-taler-exchange.js";
export * from "./types-taler-merchant.js";
+// end
+
+export * from "./types-taler-common.js";
export * from "./types-taler-sync.js";
export * from "./types-taler-wallet-transactions.js";
export * from "./types-taler-wallet.js";
@@ -74,6 +82,7 @@ export * as TalerExchangeApi from "./types-taler-exchange.js";
export * as TalerMerchantApi from "./types-taler-merchant.js";
export * as TalerRevenueApi from "./types-taler-revenue.js";
export * as TalerWireGatewayApi from "./types-taler-wire-gateway.js";
+export * as TalerKycAml from "./types-taler-kyc-aml.js";
export * from "./taler-signatures.js";
diff --git a/packages/taler-util/src/kyc-aml-utils.ts
b/packages/taler-util/src/kyc-aml-utils.ts
new file mode 100644
index 000000000..d689d1b34
--- /dev/null
+++ b/packages/taler-util/src/kyc-aml-utils.ts
@@ -0,0 +1,61 @@
+/*
+ This file is part of GNU Taler
+ (C) 2022-2024 Taler Systems S.A.
+
+ GNU Taler 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, or (at your option) any later version.
+
+ GNU Taler 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
+ GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+import { AmlProgramParams, KycConverterParams } from
"./types-taler-kyc-aml.js";
+
+//
https://docs.taler.net/taler-kyc-manual.html#implementing-your-own-aml-programs
+
+export function parseKycConverterParams(): KycConverterParams {
+ return process.argv.reduce((prev, arg, idx, list) => {
+ if (idx === 0) {
+ prev.name = arg;
+ }
+ if (arg === "-v") {
+ prev.showVersion = true;
+ } else if (arg === "-V") {
+ prev.debug = true;
+ } else if (arg === "--list-outputs") {
+ prev.showOutputs = true;
+ } else if (arg === "-h") {
+ prev.showHelp = true;
+ } else if (arg === "-c") {
+ prev.config = list[idx + 1];
+ }
+ return prev;
+ }, {} as KycConverterParams);
+}
+
+export function parseAmlProgramParams(): AmlProgramParams {
+ return process.argv.reduce((prev, arg, idx, list) => {
+ if (idx === 0) {
+ prev.name = arg;
+ }
+ if (arg === "-v") {
+ prev.showVersion = true;
+ } else if (arg === "-V") {
+ prev.debug = true;
+ } else if (arg === "-r") {
+ prev.showRequiredContext = true;
+ } else if (arg === "-a") {
+ prev.showRequiredAttributes = true;
+ } else if (arg === "-h") {
+ prev.showHelp = true;
+ } else if (arg === "-c") {
+ prev.config = list[idx + 1];
+ }
+ return prev;
+ }, {} as AmlProgramParams);
+}
diff --git a/packages/taler-util/src/types-taler-aml.ts
b/packages/taler-util/src/types-taler-aml.ts
deleted file mode 100644
index 5473c7cce..000000000
--- a/packages/taler-util/src/types-taler-aml.ts
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- This file is part of GNU Taler
- (C) 2024 Taler Systems S.A.
-
- GNU Taler is free software; you can redistribute it and/or modify it under the
- terms of the GNU Affero General Public License as published by the Free
Software
- Foundation; either version 3, or (at your option) any later version.
-
- GNU Taler 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 Affero General Public License
along with
- GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
-
- SPDX-License-Identifier: AGPL-3.0-or-later
- */
-
-/**
- * @fileoverview Type and schema definitions and helpers for the Taler AML
helpers.
- */
-
-/**
- * Imports.
- */
-import {
- buildCodecForObject,
- Codec,
- codecForAny,
- codecForList,
-} from "./index.js";
-import { TalerProtocolTimestamp } from "./time.js";
-import {
- AccountProperties,
- codecForAccountProperties,
- LegitimizationRuleSet,
-} from "./types-taler-exchange.js";
-
-export interface AmlProgramInput {
- // JSON object that was provided as
- // part of the *measure*. This JSON object is
- // provided under "context" in the main JSON object
- // input to the AML program. This "context" should
- // satify both the REQUIRES clause of the respective
- // check and the output of "-r" from the
- // AML program's command-line option.
- context?: Record<string, unknown>;
-
- // JSON object that captures the
- // output of a ``[kyc-provider-]`` or (HTML) FORM.
- // In the case of KYC data provided by providers,
- // the keys in the JSON object will be the attribute
- // names and the values must be strings representing
- // the data. In the case of file uploads, the data
- // MUST be base64-encoded.
- // In the case of KYC data provided by HTML FORMs, the
- // keys will match the HTML FORM field names and
- // the values will use the `KycStructuredFormData`
- // encoding.
- attributes: Record<string, unknown>;
-
- // JSON array with the results of historic
- // AML desisions about the account.
- aml_history: AmlHistoryEntry[];
-
- // JSON array with the results of historic
- // KYC data about the account.
- kyc_history: KycHistoryEntry[];
-}
-
-export interface AmlHistoryEntry {
- // When was the AML decision taken.
- decision_time: TalerProtocolTimestamp;
-
- // What was the justification given for the decision.
- justification: string;
-
- // Public key of the AML officer taking the decision.
- decider_pub: string;
-
- // Properties associated with the account by the decision.
- properties: Object;
-
- // New set of legitimization rules that was put in place.
- new_rules: LegitimizationRuleSet;
-
- // True if the account was flagged for (further)
- // investigation.
- to_investigate: boolean;
-
- // True if this is the currently active decision.
- is_active: boolean;
-}
-
-export interface KycHistoryEntry {
- // Name of the provider
- // which was used to collect the attributes. NULL if they were
- // just uploaded via a form by the account owner.
- provider_name?: string;
-
- // True if the KYC process completed.
- finished: boolean;
-
- // Numeric `error code <error-codes>`, if the
- // KYC process did not succeed; 0 on success.
- code: number;
-
- // Human-readable description of ``code``. Optional.
- hint?: string;
-
- // Optional detail given when the KYC process failed.
- error_message?: string;
-
- // Identifier of the user at the KYC provider. Optional.
- provider_user_id?: string;
-
- // Identifier of the KYC process at the KYC provider. Optional.
- provider_legitimization_id?: string;
-
- // The collected KYC data.
- // NULL if the attribute data could not
- // be decrypted or was not yet collected.
- attributes?: Record<string, unknown>;
-
- // Time when the KYC data was collected
- collection_time: TalerProtocolTimestamp;
-
- // Time when the KYC data will expire.
- expiration_time: TalerProtocolTimestamp;
-}
-
-export interface AmlOutcome {
- // Should the client's account be investigated
- // by AML staff?
- // Defaults to false.
- to_investigate?: boolean;
-
- // Free-form properties about the account.
- // Can be used to store properties such as PEP,
- // risk category, type of business, hits on
- // sanctions lists, etc.
- properties?: AccountProperties;
-
- // Types of events to add to the KYC events table.
- // (for statistics).
- events?: string[];
-
- // KYC rules to apply. Note that this
- // overrides *all* of the default rules
- // until the ``expiration_time`` and specifies
- // the successor measure to apply after the
- // expiration time.
- new_rules: LegitimizationRuleSet;
-}
-
-export const codecForAmlProgramInput = (): Codec<AmlProgramInput> =>
- buildCodecForObject<AmlProgramInput>()
- .property("aml_history", codecForList(codecForAny()))
- .property("kyc_history", codecForList(codecForAny()))
- .property("attributes", codecForAccountProperties())
- .property("context", codecForAny())
- .build("AmlProgramInput");
diff --git a/packages/taler-util/src/types-taler-exchange.ts
b/packages/taler-util/src/types-taler-exchange.ts
index ba341d4a9..55c88e29a 100644
--- a/packages/taler-util/src/types-taler-exchange.ts
+++ b/packages/taler-util/src/types-taler-exchange.ts
@@ -1776,6 +1776,10 @@ export interface KycRequirementInformation {
// English description of the requirement.
description: string;
+ // Object with arbitrary additional context, completely depends on
+ // the specific form.
+ context?: Object;
+
// Map from IETF BCP 47 language tags to localized
// description texts.
description_i18n?: { [lang_tag: string]: string };
@@ -2581,6 +2585,7 @@ export const codecForKycRequirementInformation =
),
)
.property("description", codecForString())
+ .property("context", codecOptional(codecForAny()))
.property(
"description_i18n",
codecOptional(codecForInternationalizedString()),
diff --git a/packages/taler-util/src/types-taler-kyc-aml.ts
b/packages/taler-util/src/types-taler-kyc-aml.ts
new file mode 100644
index 000000000..d7be15408
--- /dev/null
+++ b/packages/taler-util/src/types-taler-kyc-aml.ts
@@ -0,0 +1,333 @@
+/*
+ This file is part of GNU Taler
+ (C) 2022-2024 Taler Systems S.A.
+
+ GNU Taler 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, or (at your option) any later version.
+
+ GNU Taler 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
+ GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+import {
+ buildCodecForObject,
+ Codec,
+ codecForAccountProperties,
+ codecForAny,
+ codecForList,
+} from "./index.js";
+import {
+ AmountString,
+ Integer,
+ RelativeTime,
+ Timestamp,
+} from "./types-taler-common.js";
+
+//
https://docs.taler.net/taler-kyc-manual.html#implementing-your-own-aml-programs
+
+export type AmlProgram = (
+ input: AmlProgramInput | undefined,
+ config: string | undefined,
+) => AmlOutcome;
+
+export type KycConverter = (
+ input: object | undefined,
+ config: string | undefined,
+) => object;
+
+export type AmlProgramParams = {
+ name: string;
+ debug?: boolean;
+ showVersion?: boolean;
+ showRequiredContext?: boolean;
+ showRequiredAttributes?: boolean;
+ showHelp?: boolean;
+ config?: string;
+};
+
+export type KycConverterParams = {
+ name: string;
+ debug?: boolean;
+ showVersion?: boolean;
+ showOutputs?: boolean;
+ showHelp?: boolean;
+ config?: string;
+};
+
+export type KycConverterDefinition = {
+ name: string;
+ logic: KycConverter;
+ outputs: string[];
+};
+
+export type AmlProgramDefinition = {
+ name: string;
+ requiredContext: string[];
+ requiredAttributes: string[];
+ logic: AmlProgram;
+};
+
+export interface AmlProgramInput {
+ // JSON object that was provided as
+ // part of the *measure*. This JSON object is
+ // provided under "context" in the main JSON object
+ // input to the AML program. This "context" should
+ // satify both the REQUIRES clause of the respective
+ // check and the output of "-r" from the
+ // AML program's command-line option.
+ context?: any;
+
+ // JSON object that captures the
+ // output of a [kyc-provider-] or (HTML) FORM.
+ // In the case of KYC data provided by providers,
+ // the keys in the JSON object will be the attribute
+ // names and the values must be strings representing
+ // the data. In the case of file uploads, the data
+ // MUST be base64-encoded.
+ // In the case of KYC data provided by HTML FORMs, the
+ // keys will match the HTML FORM field names and
+ // the values will use the KycStructuredFormData
+ // encoding.
+ attributes: any;
+
+ // JSON array with the results of historic
+ // AML desisions about the account.
+ aml_history: AmlHistoryEntry[];
+
+ // JSON array with the results of historic
+ // KYC data about the account.
+ kyc_history: KycHistoryEntry[];
+}
+
+export interface AmlHistoryEntry {
+ // When was the AML decision taken.
+ decision_time: Timestamp;
+
+ // What was the justification given for the decision.
+ justification: string;
+
+ // Public key of the AML officer taking the decision.
+ decider_pub: string;
+
+ // Properties associated with the account by the decision.
+ properties: Object;
+
+ // New set of legitimization rules that was put in place.
+ new_rules: LegitimizationRuleSet;
+
+ // True if the account was flagged for (further)
+ // investigation.
+ to_investigate: boolean;
+
+ // True if this is the currently active decision.
+ is_active: boolean;
+}
+export interface KycHistoryEntry {
+ // Name of the provider
+ // which was used to collect the attributes. NULL if they were
+ // just uploaded via a form by the account owner.
+ provider_name?: string;
+
+ // True if the KYC process completed.
+ finished: boolean;
+
+ // Numeric error code, if the
+ // KYC process did not succeed; 0 on success.
+ code: number;
+
+ // Human-readable description of code. Optional.
+ hint?: string;
+
+ // Optional detail given when the KYC process failed.
+ error_message?: string;
+
+ // Identifier of the user at the KYC provider. Optional.
+ provider_user_id?: string;
+
+ // Identifier of the KYC process at the KYC provider. Optional.
+ provider_legitimization_id?: string;
+
+ // The collected KYC data.
+ // NULL if the attribute data could not
+ // be decrypted or was not yet collected.
+ attributes?: Object;
+
+ // Time when the KYC data was collected
+ collection_time: Timestamp;
+
+ // Time when the KYC data will expire.
+ expiration_time: Timestamp;
+}
+
+export interface AmlOutcome {
+ // Should the client's account be investigated
+ // by AML staff?
+ // Defaults to false.
+ to_investigate?: boolean;
+
+ // Free-form properties about the account.
+ // Can be used to store properties such as PEP,
+ // risk category, type of business, hits on
+ // sanctions lists, etc.
+ properties?: AccountProperties;
+
+ // Types of events to add to the KYC events table.
+ // (for statistics).
+ events?: string[];
+
+ // KYC rules to apply. Note that this
+ // overrides *all* of the default rules
+ // until the expiration_time and specifies
+ // the successor measure to apply after the
+ // expiration time.
+ new_rules: LegitimizationRuleSet;
+}
+
+// All fields in this object are optional. The actual
+// properties collected depend fully on the discretion
+// of the exchange operator;
+// however, some common fields are standardized
+// and thus described here.
+export interface AccountProperties {
+ // True if this is a politically exposed account.
+ // Rules for classifying accounts as politically
+ // exposed are country-dependent.
+ pep?: boolean;
+
+ // True if this is a sanctioned account.
+ // Rules for classifying accounts as sanctioned
+ // are country-dependent.
+ sanctioned?: boolean;
+
+ // True if this is a high-risk account.
+ // Rules for classifying accounts as at-risk
+ // are exchange operator-dependent.
+ high_risk?: boolean;
+
+ // Business domain of the account owner.
+ // The list of possible business domains is
+ // operator- or country-dependent.
+ business_domain?: string;
+
+ // Is the client's account currently frozen?
+ is_frozen?: boolean;
+
+ // Was the client's account reported to the authorities?
+ was_reported?: boolean;
+
+ [key: string]: string | boolean | number | undefined;
+}
+
+export interface LegitimizationRuleSet {
+ // When does this set of rules expire and
+ // we automatically transition to the successor
+ // measure?
+ expiration_time: Timestamp;
+
+ // Name of the measure to apply when the expiration time is
+ // reached. If not set, we refer to the default
+ // set of rules (and the default account state).
+ successor_measure?: string;
+
+ // Legitimization rules that are to be applied
+ // to this account.
+ rules: KycRule[];
+
+ // Custom measures that KYC rules and the
+ new_check?: string;
+ // successor_measure may refer to.
+ custom_measures: { [measure: string]: MeasureInformation };
+}
+
+export interface KycRule {
+ // Type of operation to which the rule applies.
+ //
+ // Must be one of "WITHDRAW", "DEPOSIT",
+ // (p2p) "MERGE", (wallet) "BALANCE",
+ // (reserve) "CLOSE", "AGGREGATE",
+ // "TRANSACTION" or "REFUND".
+ operation_type: string;
+
+ // The measures will be taken if the given
+ // threshold is crossed over the given timeframe.
+ threshold: AmountString;
+
+ // Over which duration should the threshold be
+ // computed. All amounts of the respective
+ // operation_type will be added up for this
+ // duration and the sum compared to the threshold.
+ timeframe: RelativeTime;
+
+ // Array of names of measures to apply.
+ // Names listed can be original measures or
+ // custom measures from the AmlOutcome.
+ // A special measure "verboten" is used if the
+ // threshold may never be crossed.
+ measures: string[];
+
+ // If multiple rules apply to the same account
+ // at the same time, the number with the highest
+ // rule determines which set of measures will
+ // be activated and thus become visible for the
+ // user.
+ display_priority: Integer;
+
+ // True if the rule (specifically, operation_type,
+ // threshold, timeframe) and the general nature of
+ // the measures (verboten or approval required)
+ // should be exposed to the client.
+ // Defaults to "false" if not set.
+ exposed?: boolean;
+
+ // True if all the measures will eventually need to
+ // be satisfied, false if any of the measures should
+ // do. Primarily used by the SPA to indicate how
+ // the measures apply when showing them to the user;
+ // in the end, AML programs will decide after each
+ // measure what to do next.
+ // Default (if missing) is false.
+ is_and_combinator?: boolean;
+}
+
+export interface MeasureInformation {
+ // Name of a KYC check.
+ check_name: string;
+
+ // Name of an AML program.
+ prog_name: string;
+
+ // Context for the check. Optional.
+ context?: Object;
+
+ // Operation that this measure relates to.
+ // NULL if unknown. Useful as a hint to the
+ // user if there are many (voluntary) measures
+ // and some related to unlocking certain operations.
+ // (and due to zero-amount thresholds, no measure
+ // was actually specifically triggered).
+ //
+ // Must be one of "WITHDRAW", "DEPOSIT",
+ // (p2p) "MERGE", (wallet) "BALANCE",
+ // (reserve) "CLOSE", "AGGREGATE",
+ // "TRANSACTION" or "REFUND".
+ // New in protocol **v21**.
+ operation_type?: string;
+
+ // Can this measure be undertaken voluntarily?
+ // Optional, default is false.
+ // Since protocol **vATTEST**.
+ voluntary?: boolean;
+}
+
+export const codecForAmlProgramInput = (): Codec<AmlProgramInput> =>
+ buildCodecForObject<AmlProgramInput>()
+ .property("aml_history", codecForList(codecForAny()))
+ .property("kyc_history", codecForList(codecForAny()))
+ .property("attributes", codecForAccountProperties())
+ .property("context", codecForAny())
+ .build("AmlProgramInput");
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