diff --git a/src/data/formulas/contract/prePropose/daoPreProposeApprovalSingle.ts b/src/data/formulas/contract/prePropose/daoPreProposeApprovalSingle.ts
index de780b71..2893d45a 100644
--- a/src/data/formulas/contract/prePropose/daoPreProposeApprovalSingle.ts
+++ b/src/data/formulas/contract/prePropose/daoPreProposeApprovalSingle.ts
@@ -1,63 +1,360 @@
-import { ContractFormula } from '@/core'
+import { ContractEnv, ContractFormula } from '@/core'
 
 export * from './daoPreProposeBase'
 
+type ProposalStatus =
+  | {
+      pending: {}
+    }
+  | {
+      approved: {
+        created_proposal_id: number
+      }
+    }
+  | {
+      rejected: {}
+    }
+
+type Proposal = {
+  status: ProposalStatus
+  approval_id: number
+  proposer: string
+  msg: any
+  deposit: any
+  // Extra.
+  createdAt?: string
+  completedAt?: string
+}
+
 export const approver: ContractFormula<string | undefined> = {
   compute: async ({ contractAddress, get }) =>
     await get(contractAddress, 'approver'),
 }
 
-export const pendingProposal: ContractFormula<any | undefined, { id: string }> =
-  {
-    compute: async ({ contractAddress, get, args: { id } }) => {
-      if (!id) {
-        throw new Error('missing `id`')
-      }
+export const proposalCreatedAt: ContractFormula<
+  string | undefined,
+  { id: string }
+> = {
+  compute: async ({
+    contractAddress,
+    getDateFirstTransformed,
+    getDateKeyFirstSet,
+    args: { id },
+  }) =>
+    (
+      (await getDateFirstTransformed(
+        contractAddress,
+        `pendingProposal:${id}`
+      )) ??
+      // Fallback to events.
+      (await getDateKeyFirstSet(
+        contractAddress,
+        'pending_proposals',
+        Number(id)
+      ))
+    )?.toISOString(),
+}
 
-      return await get(contractAddress, 'pending_proposals', id)
-    },
-  }
+export const proposalCompletedAt: ContractFormula<
+  string | undefined,
+  { id: string }
+> = {
+  compute: async ({
+    contractAddress,
+    getDateFirstTransformed,
+    getDateKeyFirstSet,
+    args: { id },
+  }) =>
+    (
+      (await getDateFirstTransformed(
+        contractAddress,
+        `completedProposal:${id}`
+      )) ??
+      // Fallback to events.
+      (await getDateKeyFirstSet(
+        contractAddress,
+        'completed_proposals',
+        Number(id)
+      ))
+    )?.toISOString(),
+}
+
+export const proposal: ContractFormula<Proposal | undefined, { id: string }> = {
+  compute: async (env) => {
+    const {
+      contractAddress,
+      getTransformationMatch,
+      get,
+      args: { id },
+    } = env
+
+    if (!id) {
+      throw new Error('missing `id`')
+    }
+
+    const idNum = Number(id)
+    let proposal =
+      (
+        await getTransformationMatch<Proposal>(
+          contractAddress,
+          `completedProposal:${id}`
+        )
+      )?.value ||
+      (
+        await getTransformationMatch<Proposal>(
+          contractAddress,
+          `pendingProposal:${id}`
+        )
+      )?.value ||
+      (await get<Proposal>(contractAddress, 'completed_proposals', idNum)) ||
+      (await get<Proposal>(contractAddress, 'pending_proposals', idNum))
+
+    return proposal && (await withMetadata(env, proposal))
+  },
+}
 
-export const pendingProposals: ContractFormula<any[] | undefined> = {
-  compute: async ({ contractAddress, getMap }) => {
-    const pendingProposals = await getMap<number>(
+export const pendingProposals: ContractFormula<
+  Proposal[],
+  {
+    limit?: string
+    startAfter?: string
+  }
+> = {
+  compute: async (env) => {
+    const {
       contractAddress,
-      'pending_proposals',
-      {
+      getTransformationMap,
+      getMap,
+      args: { limit, startAfter },
+    } = env
+
+    const pendingProposals =
+      (await getTransformationMap<number, Proposal>(
+        contractAddress,
+        'pendingProposal'
+      )) ||
+      (await getMap<number, Proposal>(contractAddress, 'pending_proposals', {
         keyType: 'number',
-      }
+      }))
+
+    if (!pendingProposals) {
+      return []
+    }
+
+    const limitNum = limit ? Math.max(0, Number(limit)) : Infinity
+    const startAfterNum = startAfter
+      ? Math.max(0, Number(startAfter))
+      : -Infinity
+
+    const proposalIds = Object.keys(pendingProposals)
+      .map(Number)
+      // Ascending by proposal ID.
+      .sort((a, b) => a - b)
+      .filter((id) => id > startAfterNum)
+      .slice(0, limitNum)
+
+    return await Promise.all(
+      proposalIds.map((id) => withMetadata(env, pendingProposals[id]))
     )
+  },
+}
+
+export const reversePendingProposals: ContractFormula<
+  Proposal[],
+  {
+    limit?: string
+    startBefore?: string
+  }
+> = {
+  compute: async (env) => {
+    const {
+      contractAddress,
+      getTransformationMap,
+      getMap,
+      args: { limit, startBefore },
+    } = env
+
+    const pendingProposals =
+      (await getTransformationMap<number, Proposal>(
+        contractAddress,
+        'pendingProposal'
+      )) ||
+      (await getMap<number, Proposal>(contractAddress, 'pending_proposals', {
+        keyType: 'number',
+      }))
+
     if (!pendingProposals) {
-      return undefined
+      return []
     }
 
-    return (
-      Object.entries(pendingProposals)
-        // Descending by ID.
-        .sort((a, b) => Number(b[0]) - Number(a[0]))
-        .map(([, proposal]) => proposal)
+    const limitNum = limit ? Math.max(0, Number(limit)) : Infinity
+    const startBeforeNum = startBefore
+      ? Math.max(0, Number(startBefore))
+      : Infinity
+
+    const proposalIds = Object.keys(pendingProposals)
+      .map(Number)
+      // Descending by proposal ID.
+      .sort((a, b) => b - a)
+      .filter((id) => id < startBeforeNum)
+      .slice(0, limitNum)
+
+    return await Promise.all(
+      proposalIds.map((id) => withMetadata(env, pendingProposals[id]))
     )
   },
 }
 
-export const reversePendingProposals: ContractFormula<any[] | undefined> = {
-  compute: async ({ contractAddress, getMap }) => {
-    const pendingProposals = await getMap<number>(
+export const completedProposals: ContractFormula<
+  Proposal[],
+  {
+    limit?: string
+    startAfter?: string
+  }
+> = {
+  compute: async (env) => {
+    const {
       contractAddress,
-      'pending_proposals',
-      {
+      getTransformationMap,
+      getMap,
+      args: { limit, startAfter },
+    } = env
+
+    const completedProposals =
+      (await getTransformationMap<number, Proposal>(
+        contractAddress,
+        'completedProposal'
+      )) ||
+      (await getMap<number, Proposal>(contractAddress, 'completed_proposals', {
         keyType: 'number',
-      }
+      }))
+
+    if (!completedProposals) {
+      return []
+    }
+
+    const limitNum = limit ? Math.max(0, Number(limit)) : Infinity
+    const startAfterNum = startAfter
+      ? Math.max(0, Number(startAfter))
+      : -Infinity
+
+    const proposalIds = Object.keys(completedProposals)
+      .map(Number)
+      // Ascending by proposal ID.
+      .sort((a, b) => a - b)
+      .filter((id) => id > startAfterNum)
+      .slice(0, limitNum)
+
+    return await Promise.all(
+      proposalIds.map((id) => withMetadata(env, completedProposals[id]))
     )
-    if (!pendingProposals) {
-      return undefined
+  },
+}
+
+export const reverseCompletedProposals: ContractFormula<
+  Proposal[],
+  {
+    limit?: string
+    startBefore?: string
+  }
+> = {
+  compute: async (env) => {
+    const {
+      contractAddress,
+      getTransformationMap,
+      getMap,
+      args: { limit, startBefore },
+    } = env
+
+    const completedProposals =
+      (await getTransformationMap<number, Proposal>(
+        contractAddress,
+        'completedProposal'
+      )) ||
+      (await getMap<number, Proposal>(contractAddress, 'completed_proposals', {
+        keyType: 'number',
+      }))
+
+    if (!completedProposals) {
+      return []
+    }
+
+    const limitNum = limit ? Math.max(0, Number(limit)) : Infinity
+    const startBeforeNum = startBefore
+      ? Math.max(0, Number(startBefore))
+      : Infinity
+
+    const proposalIds = Object.keys(completedProposals)
+      .map(Number)
+      // Descending by proposal ID.
+      .sort((a, b) => b - a)
+      .filter((id) => id < startBeforeNum)
+      .slice(0, limitNum)
+
+    return await Promise.all(
+      proposalIds.map((id) => withMetadata(env, completedProposals[id]))
+    )
+  },
+}
+
+export const completedProposalIdForCreatedProposalId: ContractFormula<
+  number | undefined,
+  {
+    id: string
+  }
+> = {
+  compute: async ({
+    contractAddress,
+    getTransformationMatch,
+    get,
+    args: { id },
+  }) => {
+    if (!id) {
+      throw new Error('missing `id`')
     }
 
     return (
-      Object.entries(pendingProposals)
-        // Ascending by ID.
-        .sort((a, b) => Number(a[0]) - Number(b[0]))
-        .map(([, proposal]) => proposal)
+      (
+        await getTransformationMatch<number>(
+          contractAddress,
+          `createdToCompletedProposal:${id}`
+        )
+      )?.value ||
+      // Fallback to events.
+      (await get<number>(
+        contractAddress,
+        'created_to_completed_proposal',
+        Number(id)
+      ))
     )
   },
 }
+
+// Helpers
+
+const withMetadata = async (
+  env: ContractEnv,
+  proposal: Proposal
+): Promise<Proposal> => {
+  const [createdAt, completedAt] = await Promise.all([
+    proposalCreatedAt.compute({
+      ...env,
+      args: {
+        id: proposal.approval_id.toString(),
+      },
+    }),
+    proposalCompletedAt.compute({
+      ...env,
+      args: {
+        id: proposal.approval_id.toString(),
+      },
+    }),
+  ])
+
+  return {
+    ...proposal,
+    // Extra.
+    createdAt,
+    completedAt,
+  }
+}
diff --git a/src/data/transformers/prePropose/daoPreProposeApprovalSingle.ts b/src/data/transformers/prePropose/daoPreProposeApprovalSingle.ts
index a6585bbb..9c3fad0c 100644
--- a/src/data/transformers/prePropose/daoPreProposeApprovalSingle.ts
+++ b/src/data/transformers/prePropose/daoPreProposeApprovalSingle.ts
@@ -1,9 +1,13 @@
 import { Transformer } from '@/core/types'
-import { dbKeyForKeys } from '@/core/utils'
+import { dbKeyForKeys, dbKeyToKeys } from '@/core/utils'
+
+import { makeTransformerForMap } from '../utils'
 
 const CODE_IDS_KEYS: string[] = ['dao-pre-propose-approval-single']
 
 const KEY_APPROVER = dbKeyForKeys('approver')
+const KEY_PREFIX_PENDING_PROPOSALS = dbKeyForKeys('pending_proposals', '')
+const KEY_PREFIX_COMPLETED_PROPOSALS = dbKeyForKeys('completed_proposals', '')
 
 const approver: Transformer = {
   filter: {
@@ -14,4 +18,71 @@ const approver: Transformer = {
   getValue: async () => true,
 }
 
-export default [approver]
+const pendingProposal: Transformer = {
+  filter: {
+    codeIdsKeys: CODE_IDS_KEYS,
+    matches: (event) => event.key.startsWith(KEY_PREFIX_PENDING_PROPOSALS),
+  },
+  name: (event) => {
+    // "pending_proposals", proposalId
+    const [, proposalId] = dbKeyToKeys(event.key, [false, true])
+    return `pendingProposal:${proposalId}`
+  },
+  getValue: (event) => event.valueJson,
+}
+
+const completedProposal: Transformer = {
+  filter: {
+    codeIdsKeys: CODE_IDS_KEYS,
+    matches: (event) => event.key.startsWith(KEY_PREFIX_COMPLETED_PROPOSALS),
+  },
+  name: (event) => {
+    // "completed_proposals", proposalId
+    const [, proposalId] = dbKeyToKeys(event.key, [false, true])
+    return `completedProposal:${proposalId}`
+  },
+  getValue: (event) => event.valueJson,
+}
+
+const proposed: Transformer = {
+  filter: {
+    codeIdsKeys: CODE_IDS_KEYS,
+    matches: (event) =>
+      event.key.startsWith(KEY_PREFIX_PENDING_PROPOSALS) &&
+      !!event.valueJson?.proposer &&
+      event.valueJson?.status &&
+      'pending' in event.valueJson.status,
+  },
+  name: (event) => {
+    // Ignore deletes. Can't transform if we can't access the proposer.
+    if (event.delete || !event.valueJson?.proposer) {
+      return
+    }
+
+    // "pending_proposals"|"completed_proposals", proposalId
+    const [, proposalId] = dbKeyToKeys(event.key, [false, true])
+    return `proposed:${event.valueJson.proposer}:${proposalId}`
+  },
+  getValue: (event) => {
+    // "pending_proposals"|"completed_proposals", proposalId
+    const [, proposalId] = dbKeyToKeys(event.key, [false, true])
+    return { proposalId }
+  },
+}
+
+const createdToCompletedProposal = makeTransformerForMap(
+  CODE_IDS_KEYS,
+  'createdToCompletedProposal',
+  'created_to_completed_proposal',
+  {
+    numericKey: true,
+  }
+)
+
+export default [
+  approver,
+  pendingProposal,
+  completedProposal,
+  proposed,
+  createdToCompletedProposal,
+]